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San Luis Obispo County, California

Coordinates:35°23′N120°27′W / 35.38°N 120.45°W /35.38; -120.45
From Wikipedia, the free encyclopedia
County in California, United States
For the California wine region, seeSan Luis Obispo County wine.

County in California, United States
San Luis Obispo County
Flag of San Luis Obispo County
Flag
Official seal of San Luis Obispo County
Seal
Official logo of San Luis Obispo County
Logo
Motto: 
"Not For Ourselves Alone"
Map
Interactive map of San Luis Obispo County
Location in the state of California
Location in the state of California
CountryUnited States
StateCalifornia
RegionCalifornia Central Coast
IncorporatedFebruary 18, 1850[1]
Named afterSaint Louis, Bishop of Toulouse
County seatSan Luis Obispo
Largest city (Population)San Luis Obispo
Largest city (Area)Atascadero
Government
 • TypeCouncil–Administration
 • BodySan Luis Obispo County Board of Supervisors
 • Chair[2]Dawn Ortiz-Legg (D)
 • Vice Chair[2]John Peschong (R)
 • Supervisors[2]
List
  • • John Peschong (R)
    District 1
  • • Bruce Gibson (D)
    District 2
  • • Dawn Ortiz-Legg (D)
    District 3
  • • Jimmy Paulding (D)
    District 4
  • • Heather Moreno (R)
    District 5
 • County Administrator[3]Wade Horton
Area
 • Total
3,616 sq mi (9,370 km2)
 • Land3,299 sq mi (8,540 km2)
 • Water317 sq mi (820 km2)
Highest elevation5,109 ft (1,557 m)
Population
 (2020)
 • Total
282,424
 • Estimate 
(2024)
281,843Decrease
 • Density85.61/sq mi (33.05/km2)
GDP
 • Total$21.713 billion (2022)
Time zoneUTC-08:00 (PST)
 • Summer (DST)UTC-07:00 (PDT)
Postal code
93420 93445 93433 93401 93405
Area code805
Congressional districts19th,24th
Websitehttps://www.slocounty.ca.gov/
The entrance lobby and belfry of the Mission San Luis Obispo de Tolosa. A statue of Fray Junípero Serra stands outside the church.
Robert Jack House, built c. 1882

San Luis Obispo County (/sænˌlɪsˈbɪsp/ ), officially theCounty of San Luis Obispo, is acounty on theCentral Coast of California. As of the2020 United States census, the population was 282,424.[6] Thecounty seat isSan Luis Obispo.[7]

Junípero Serra founded theMission San Luis Obispo de Tolosa in 1772, and San Luis Obispo grew around it. The small size of the county's communities, scattered along the beaches, coastal hills, and mountains of the Santa Lucia range, provides a wide variety of coastal and inland hill ecologies to support fishing, agriculture, and tourist activities.

California Polytechnic State University has almost 20,000 students. Tourism, especially for the wineries, is popular. Grapes and other agriculture products are an important part of the economy. San Luis Obispo County is the third largest producer of wine in California, surpassed only by Sonoma and Napa counties. Strawberries are the largest agricultural crop in the county.[8]

The town ofSan Simeon is located at the foot of the ridge where newspaper publisherWilliam Randolph Hearst builtHearst Castle. Other coastal towns (listed from north to south) includeCambria,Cayucos,Morro Bay, andLos Osos -Baywood Park. These cities and villages are located northwest of the city of San Luis Obispo. To the south areAvila Beach and the Five Cities region. The Five Cities originally were:Arroyo Grande,Grover Beach (then known as Grover City),Oceano, Fair Oaks and Halcyon. Today, the Five Cities region consists ofPismo Beach, Grover Beach, Arroyo Grande, Oceano, and Shell Beach (which is actually part of Pismo Beach), i.e., essentially the area from Pismo Beach to Oceano. Just south of the Five Cities, San Luis Obispo County borders northernSanta Barbara County. Inland, the cities ofPaso Robles,Templeton, andAtascadero lie along theSalinas River, near the Paso Robles wine region.San Luis Obispo lies south of Atascadero and north of the Five Cities region.

History

[edit]

The prehistory of San Luis Obispo County is strongly influenced by theChumash people. There has been significant settlement here at least as early as theMillingstone Horizon thousands of years ago. Important settlements existed in coastal areas such asMorro Bay andLos Osos.[9][10]

Mission San Luis Obispo de Tolosa was founded on September 1, 1772, in the area that is now the city ofSan Luis Obispo. The namesake of the mission, city and county isSaint Louis of Toulouse, the youngbishop of Toulouse ("Obispo de Tolosa" in Spanish) in 1297.

San Luis Obispo County was one of the original counties of California, created in 1850 at the time of statehood.

TheSalinas River Valley, a region that figures strongly in severalJohn Steinbeck novels, stretches north from San Luis Obispo County.

Geography

[edit]
San Luis Obispo
Sand dunes - Oceano CA
Morro Bay Docks

According to theU.S. Census Bureau, the county has a total area of 3,616 square miles (9,370 km2), of which 3,299 square miles (8,540 km2) is land and 317 square miles (820 km2) (comprising 8.8%) is water.[11]

Climate

[edit]
Köppen climate types of San Luis Obispo County, California, using 1991–2020 climate normals.

San Luis Obispo County has three main climate types. BSk climate can mainly be found in the eastern portions of the county, along with certain smaller areas in the north. Csa climate can mainly be found in the central portions of the county, in communities such as Paso Robles. The rest of the county is made up of the Csb climate type. The Csb warm-summer mediterranean type climate together with the county's varied landscapes reminds visitors of European locales.[12]

Adjacent counties

[edit]
Areas adjacent to San Luis Obispo County, California

National protected areas

[edit]

Marine Protected Areas

[edit]
Piedras Blancas State Marine Reserve and Marine Conservation Area, anelephant sealrookery.

Demographics

[edit]
Historical population
CensusPop.Note
1850336
18601,782430.4%
18704,772167.8%
18809,14291.6%
189016,07275.8%
190016,6373.5%
191019,38316.5%
192021,89312.9%
193029,61335.3%
194033,24612.3%
195051,41754.7%
196081,04457.6%
1970105,69030.4%
1980155,43547.1%
1990217,16239.7%
2000246,68113.6%
2010269,6379.3%
2020282,4244.7%
2024 (est.)281,843[13]−0.2%
U.S. Decennial Census[14]
1790–1960[15] 1900–1990[16]
1990–2000[17] 2010[18] 2020[19]

2020 census

[edit]
San Luis Obispo County, California – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity(NH = Non-Hispanic)Pop 1980[20]Pop 1990[21]Pop 2000[22]Pop 2010[18]Pop 2020[19]% 1980% 1990% 2000% 2010% 2020
White alone (NH)132,809176,246187,840191,696183,46885.44%81.16%76.15%71.09%64.96%
Black or African American alone (NH)2,6494,3254,7435,1284,3301.70%1.99%1.92%1.90%1.53%
Native American orAlaska Native alone (NH)1,7861,6521,4901,3671,1361.15%0.76%0.60%0.51%0.40%
Asian alone (NH)3,2045,7746,3428,10610,0012.06%2.66%2.57%3.01%3.54%
Native Hawaiian orPacific Islander alone (NH)x[23]x[24]2273463400.09%0.13%0.09%0.13%0.12%
Other race alone (NH)1952423657841,6140.13%0.11%0.15%0.29%0.57%
Mixed race or Multiracial (NH)x[25]x[26]5,4786,23713,614xx2.22%2.31%4.82%
Hispanic or Latino (any race)14,79228,92340,19655,97367,9219.52%13.32%16.29%20.76%24.05%
Total155,435217,162246,681269,637282,424100.00%100.00%100.00%100.00%100.00%

2011

[edit]
Population, race, and income
Total population[27]267,871
  White[27]224,80083.9%
  Black or African American[27]5,8822.2%
  American Indian or Alaska Native[27]2,6251.0%
  Asian[27]8,6933.2%
  Native Hawaiian or other Pacific Islander[27]2800.1%
  Some other race[27]16,6666.2%
  Two or more races[27]8,9253.3%
 Hispanic or Latino (of any race)[28]54,53720.4%
Per capita income[29]$30,204
Median household income[30]$58,630
Median family income[31]$74,841

Places by population, race, and income

[edit]
Places by population and race
PlaceType[32]Population[27]White[27]Other[27]
[note 1]
Asian[27]Black or African
American[27]
Native American[27]
[note 2]
Hispanic or Latino
(of any race)[28]
Arroyo GrandeCity17,13285.8%6.7%5.0%1.6%0.8%12.7%
AtascaderoCity28,19488.5%5.7%1.7%1.7%2.4%13.7%
Avila BeachCDP1,08691.4%8.6%0.0%0.0%0.0%2.2%
BlacklakeCDP1,01497.1%0.0%1.5%0.0%1.4%0.8%
CallenderCDP1,53196.3%2.2%1.6%0.0%0.0%42.5%
CambriaCDP6,22991.7%4.3%2.7%0.0%1.3%17.1%
CayucosCDP2,82297.5%1.8%0.5%0.0%0.2%6.0%
CrestonCDP9479.8%20.2%0.0%0.0%0.0%0.0%
EdnaCDP80100.0%0.0%0.0%0.0%0.0%0.0%
El Paso de Robles (Paso Robles)City29,27076.6%15.1%2.0%4.5%1.8%35.1%
Garden FarmsCDP335100.0%0.0%0.0%0.0%0.0%0.0%
Grover BeachCity13,17581.6%9.9%6.0%1.4%1.0%21.0%
Lake NacimientoCDP2,39796.0%4.0%0.0%0.0%0.0%12.3%
Los BerrosCDP92086.2%13.8%0.0%0.0%0.0%19.8%
Los OsosCDP14,95085.3%7.5%6.3%0.4%0.5%12.4%
Los RanchosCDP1,57891.4%3.1%1.5%0.8%3.2%2.1%
Morro BayCity10,26396.0%1.7%1.8%0.1%0.4%17.8%
NipomoCDP16,62284.1%12.7%1.3%1.3%0.6%35.0%
Oak ShoresCDP187100.0%0.0%0.0%0.0%0.0%5.3%
OceanoCDP7,45677.3%19.4%1.5%0.0%1.8%47.6%
Pismo BeachCity7,75387.6%7.7%2.8%0.6%1.3%10.3%
San Luis ObispoCity45,13083.2%8.4%6.4%1.6%0.6%16.6%
San MiguelCDP2,78264.6%29.6%1.3%0.0%4.6%50.8%
San SimeonCDP57148.0%52.0%0.0%0.0%0.0%72.5%
Santa MargaritaCDP1,42995.7%4.3%0.0%0.0%0.0%18.0%
ShandonCDP1,15082.3%6.9%0.0%10.6%0.3%46.1%
TempletonCDP7,64588.9%9.5%0.7%0.5%0.4%16.4%
Whitley GardensCDP24458.6%33.6%0.0%7.8%0.0%41.4%
WoodlandsCDP41789.2%3.6%3.8%0.0%3.4%11.8%
Places by population and income
PlaceType[32]Population[33]Per capita income[29]Median household income[30]Median family income[31]
Arroyo GrandeCity17,132$34,489$64,900$79,188
AtascaderoCity28,194$32,153$68,502$79,818
Avila BeachCDP1,086$45,863$65,483$42,107
BlacklakeCDP1,014$43,698$81,417$105,152
CallenderCDP1,531$25,222$72,917$91,852
CambriaCDP6,229$46,892$76,271$99,550
CayucosCDP2,822$38,525$59,130$69,861
CrestonCDP94$43,934$85,357$81,250
EdnaCDP80$71,853$115,962$115,962
El Paso de Robles (Paso Robles)City29,270$26,547$57,927$63,864
Garden FarmsCDP335$61,822$111,360$111,360
Grover BeachCity13,175$25,232$47,708$63,354
Lake NacimientoCDP2,397$31,410$58,542$62,760
Los BerrosCDP920$15,603$36,096$36,776
Los OsosCDP14,950$30,967$57,500$73,027
Los RanchosCDP1,578$59,646$99,028$104,455
Morro BayCity10,263$33,137$52,582$65,833
NipomoCDP16,622$26,014$61,265$68,386
Oak ShoresCDP187$44,498$97,639$98,542
OceanoCDP7,456$18,363$37,219$40,489
Pismo BeachCity7,753$44,250$65,682$88,971
San Luis ObispoCity45,130$25,775$42,528$80,560
San MiguelCDP2,782$17,371$49,097$42,296
San SimeonCDP571$20,490$44,583$51,786
Santa MargaritaCDP1,429$19,328$49,032$58,672
ShandonCDP1,150$19,050$65,260$59,167
TempletonCDP7,645$35,743$70,820$92,169
Whitley GardensCDP244$21,938$106,250$129,000
WoodlandsCDP417$54,163$96,250$89,250

2010

[edit]

The2010 United States census reported that San Luis Obispo County had a population of 269,637. The racial makeup of San Luis Obispo County was 222,756 (82.6%)White, 5,550 (2.1%)African American, 2,536 (0.9%)Native American, 8,507 (3.2%)Asian (1.0% Filipino, 0.6% Chinese, 0.4% Japanese, 0.3% Indian, 0.3% Korean, 0.2% Vietnamese), 389 (0.1%)Pacific Islander, 19,786 (7.3%) fromother races, and 10,113 (3.8%) from two or more races.Hispanic orLatino of any race were 55,973 persons (20.8%); 17.7% of San Luis Obispo County is Mexican, 0.3% Puerto Rican, and 0.2% Salvadoran.[34]

Population reported at2010 United States census
The CountyTotal
Population
WhiteAfrican
American
Native
American
AsianPacific
Islander
other
races
two or
more races
Hispanic
orLatino
(of any race)
San Luis Obispo County269,637222,7565,5502,5368,50738919,78610,11355,973
Incorporated
cities
Total
Population
WhiteAfrican
American
Native
American
AsianPacific
Islander
other
races
two or
more races
Hispanic
orLatino
(of any race)
Arroyo Grande17,25214,710156125595148567962,707
Atascadero28,31024,457585295685571,2051,0264,429
Grover Beach13,1569,964146186542351,5827013,840
Morro Bay10,2348,909449225896133091,526
Paso Robles29,79323,158622297593563,9161,15110,275
Pismo Beach7,6556,976504120311170204715
San Luis Obispo45,11938,1175232752,350651,9731,8166,626
Census-designated
places
Total
Population
WhiteAfrican
American
Native
American
AsianPacific
Islander
other
races
two or
more races
Hispanic
orLatino
(of any race)
Avila Beach1,6271,5071373303433111
Blacklake93086587240141270
Callender1,2621,00372248012854355
Cambria6,0325,166184778145571521,187
Cayucos2,5922,3666125485789207
Creston94890210026
Edna19318503005022
Garden Farms386348225021840
Lake Nacimiento2,4112,15312442457598256
Los Berros641527411214551153
Los Osos14,27612,3047997748185524781,977
Los Ranchos1,4771,38912310183658
Nipomo16,71412,281177200421332,8217816,645
Oak Shores33731832404631
Oceano7,2865,1056212016571,5093183,484
San Miguel2,3361,6386558191474811,196
San Simeon462270459216012258
Santa Margarita1,2591,0778283404270206
Shandon1,29584034187235242693
Templeton7,6746,8335980123103372321,171
Whitley Gardens285260161013443
Woodlands576541701813627
Other
unincorporated areas
Total
Population
WhiteAfrican
American
Native
American
AsianPacific
Islander
other
races
two or
more races
Hispanic
orLatino
(of any race)
All others not CDPs (combined)47,97339,4002,8544621,422402,2501,5457,659

2000 Census

[edit]

As of the census[35] of 2000, there were 246,681 residents, 92,739 households, and 58,611 families in the county. The population density was 75 people per square mile (29 people/km2). There were 102,275 housing units at an average density of 31 units per square mile (12 units/km2). The racial makeup of the county was 84.6%White, 2.0%Black orAfrican American, 1.0%Native American, 2.7%Asian, 0.1%Pacific Islander, 6.2% fromother races, and 3.4% from two or more races. 16.3% of the population wereHispanic orLatino of any race. 13.9% were of German, 11.4% English, 9.7% Irish, 6.1% American and 5.7% Italian ancestry according toCensus 2000. 85.7% spoke English and 10.7% Spanish as their first language.

There were 92,739 households, out of which 28.2% had children under the age of 18 living with them, 50.40% were married couples living together, 9.1% had a female householder with no husband present, and 36.8% were non-families. 26.0% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.01.

In the county, the population was spread out, with 21.7% under the age of 18, 13.6% from 18 to 24, 27.0% from 25 to 44, 23.3% from 45 to 64, and 14.5% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 105.6 males. For every 100 females age 18 and over, there were 105.2 males.

The median income for a household in the county was $42,428, and the median income for a family was $52,447. Males had a median income of $40,726 versus $27,450 for females. The per capita income for the county was $21,864. About 6.8% of families and 12.8% of the population were below the poverty line, including 11.4% of those under age 18 and 5.9% of those age 65 or over.

Economy

[edit]
Clubhair mariposa lily near SLO city, 2014

The mainstays of the economy areCalifornia Polytechnic State University with its almost 20,000 students, tourism, and agriculture. The economic indicators reveal that San Luis Obispo County aligns closely with California regarding median household income and poverty rates. However, the county distinguishes itself through higher educational attainment and homeownership rates, alongside a distinctive employment sector composition favoring agriculture and related industries. Despite these strengths, the county is not immune to challenges, as evidenced by a housing market that is significantly more expensive than the rest of California and growing income inequality. San Luis Obispo County's economy is primarily a service economy. Service jobs account for 38% of the county's jobs, government jobs accounts for 20.7%, and manufacturing jobs represent 6% of the county's jobs.

San Luis Obispo County is the third largest producer of wine in California, surpassed only by Sonoma and Napa counties. Wine grapes are the second largest agricultural crop in the county (after strawberries),[8] and the wine production they support creates a direct economic impact and a growing wine country vacation industry.

The county led the state inhemp cultivation in 2018 as hundreds of acres of the crop were grown in research partnerships.[36] In 2019, nine agricultural research permits were still active. Sixteen commercial permits were issued before a temporary ban on new applications running through June 2020 was passed by the Board of Supervisors.[37]

Politics

[edit]

Voter registration

[edit]
Population and registered voters
Total population[27]267,871
  Registered voters[38][note 3][39]184,74458.4%
    Democratic[38]70,18038%
    Republican[38]63,68734.5%
    Democratic–Republican spread[38]+6,493+3.5%
    American Independent[38]7,1163.9%
    Green[38]9720.5%
    Libertarian[38]2,4011.3%
    Peace and Freedom[38]5660.3%
    Other[38]1,7521%
    No party preference[38]37,36620.2%

Cities by population and voter registration

[edit]
Cities by population and voter registration
CityPopulation[27]Registered voters[38]
[note 3]
Democratic[38]Republican[38]D–R spread[38]Other[38]No party preference[38]
Arroyo Grande17,13265.5%34.2%41.8%-7.6%8.1%18.7%
Atascadero28,19458.9%30.8%43.9%-13.1%8.2%19.8%
El Paso de Robles (Paso Robles)29,27052.1%29.6%45.3%-15.7%8.2%19.9%
Grover Beach13,17550.6%37.3%34.0%+3.3%9.3%22.5%
Morro Bay10,26368.4%39.5%31.6%+7.9%9.5%22.2%
Pismo Beach7,75370.4%32.2%41.5%-9.3%8.9%20.3%
San Luis Obispo45,13059.2%40.0%29.1%+10.9%9.0%24.6%

Overview

[edit]

San Luis Obispo County leaned toward theRepublican Party in presidential andcongressional elections during most of the 20th century; it has, however, become more Democratic starting in the 2000s. In2008,Barack Obama won the county with 51.2 percent of the vote.[40] Prior to 2008, the lastDemocrat to win a majority in the county wasLyndon B. Johnson in1964, althoughBill Clinton won aplurality in1992. In2012, Obama again won the county, this time with a slim plurality of the vote.Hillary Clinton won with a larger plurality in2016; and in2020,Joe Biden won a solid 55% of the vote, the largest for any Democrat since Johnson.

United States presidential election results for San Luis Obispo County, California[41]
YearRepublicanDemocraticThird party(ies)
No. %No. %No. %
202464,93243.05%81,31453.92%4,5663.03%
202067,43642.22%88,31055.29%3,9682.48%
201656,16440.94%67,10748.91%13,93110.15%
201259,96747.61%61,25848.63%4,7413.76%
200861,05545.85%68,17651.20%3,9242.95%
200467,99552.69%58,74245.52%2,3131.79%
200056,85952.22%44,52640.89%7,5016.89%
199646,73346.50%40,39540.19%13,37213.31%
199236,38434.78%40,13638.36%28,09926.86%
198846,61355.85%35,66742.73%1,1871.42%
198449,03563.72%26,94635.02%9691.26%
198038,63155.56%20,50829.50%10,38814.94%
197627,78551.17%24,92645.91%1,5872.92%
197228,56655.98%20,77940.72%1,6883.31%
196819,42051.27%15,82841.78%2,6336.95%
196414,90640.08%22,25259.84%280.08%
196017,86254.04%14,97545.30%2180.66%
195616,22358.47%11,40741.11%1180.43%
195217,71665.37%9,17433.85%2130.79%
194810,32553.49%8,13542.14%8444.37%
19447,79348.90%8,06850.63%750.47%
19407,20445.25%8,49953.39%2171.36%
19364,81237.28%7,88961.13%2051.59%
19323,44928.59%7,93365.77%6805.64%
19285,42560.82%3,33637.40%1591.78%
19243,80449.01%7319.42%3,22641.57%
19204,12361.31%1,60623.88%99614.81%
19162,85440.20%3,53949.85%7069.95%
1912130.23%2,24840.48%3,29259.28%
19082,00850.76%1,38134.91%56714.33%
19042,01554.95%1,16731.82%48513.23%
19001,56445.81%1,71350.18%1374.01%
18961,67143.74%2,05653.82%932.43%
18921,43338.10%1,19931.88%1,12930.02%
18881,68949.68%1,58546.62%1263.71%
18841,23351.44%1,06944.60%953.96%
188083047.81%72941.99%17710.20%

With respect to theUnited States House of Representatives, San Luis Obispo County is mostly inCalifornia's 24th congressional district, represented byDemocrat Salud Carbajal, with the northern part of the county inCalifornia's 19th congressional district, represented byDemocrat Jimmy Panetta.[42] From 2003 until 2013, the county was split between the Bakersfield-based 22nd district, which was represented by RepublicanKevin McCarthy and includedPaso Robles and most of the more conservative inland areas of the county, andLois Capps' 23rd district, a strip which included most of the county's more liberal coastal areas as well as coastal areas of Santa Barbara and Ventura counties.

With respect to theCalifornia State Senate, the county is mostly inthe 17th senatorial district, represented byDemocrat John Laird, with part inthe 21st senatorial district, represented byDemocrat Monique Limón. With respect to theCalifornia State Assembly, the county is mostly inthe 30th Assembly district, represented byDemocrat Dawn Addis, with part inthe 37th Assembly district, represented byDemocrat Gregg Hart.[43]

In April 2008, the California Secretary of State reported that there were 147,326 registered voters in San Luis Obispo County. Of those voters, 61,226 (41.6%) were registered Republicans, 52,586 (35.7%) were registered Democratic, 8,030 (5.4%) are registered with other political parties, and 25,484 (17.3%) declined to state a political preference. The cities of Grover Beach, Morro Bay, and San Luis Obispo had pluralities or majorities of registered Democratic voters, whereas the rest of the county's towns, cities, and the unincorporated areas have a plurality or majority of registered Republican voters.[citation needed]

Crime

[edit]

The following table includes the number of incidents reported and the rate per 1,000 persons for each type of offense.

Population and crime rates
Population[27]267,871
Violent crime[44]6942.59
  Homicide[44]40.01
  Forcible rape[44]890.33
  Robbery[44]1060.40
  Aggravated assault[44]4951.85
Property crime[44]3,00911.23
  Burglary[44]1,4335.35
  Larceny-theft[44][45]4,16915.56
  Motor vehicle theft[44]3751.40
Arson[44]880.33

Cities by population and crime rates

[edit]
Cities by population and crime rates
CityPopulation[46]Violent crimes[46]Violent crime rate
per 1,000 persons
Property crimes[46]Property crime rate
per 1,000 persons
Arroyo Grande17,568603.4235820.38
Atascadero28,8251926.6665822.83
Grover Beach13,398322.3930622.84
Morro Bay10,423212.0114013.43
Paso Robles30,344913.0077725.61
Pismo Beach7,798364.6230539.11
San Luis Obispo45,9471192.591,97142.90

Fire protection

[edit]
San Luis Obispo County Fire Department
Agency overview
Annual callsApproximately 20,000
Annual budget25 million
Facilities and equipment
Battalions5
Stations21
Engines17 - first run
5 - reserve
Rescues2
Tenders3
HAZMAT1
USAR2
Airport crash2
Wildland2 -type 3
Light and air1
Website
Official website

In unincorporated parts of the county, fire protection and emergency response services have been provided by the San Luis Obispo County Fire Department, through a cooperative agreement withCAL FIRE, since 1930. The county fire department also servesLos Osos,Oceano, andAvila Beach.[47] The city of San Luis Obispo is served by theSan Luis Obispo City Fire Department.

Transportation

[edit]

Major highways

[edit]

Public transportation

[edit]

San Luis Obispo County is served byAmtrak trains andGreyhound Lines buses.TheSan Luis Obispo Regional Transit Authority provides countywide service along US 101 as well as service to Morro Bay, Los Osos, Cambria and San Simeon.

The cities of San Luis Obispo, Atascadero and Paso Robles operate their own local bus services; all of these connect with SLORTA routes.

Oceano County Airport in 2013

Intercity service is provided byAmtrak trains,Greyhound Lines andOrange Belt Stages buses.

TheAmtrak Thruway18 provides a daily connection toVisalia on the east, andSanta Maria on the west, with several stops in between.[48]

FlixBus boards from the San Luis Obispo Railroad Museum at 1940 Santa Barbara Avenue.

Airports

[edit]

Future

[edit]

In the future, SR 46 may be considered for a possible westward expansion ofInterstate 40 viaSR 58 from Barstow to Bakersfield, from Bakersfield to I-5 viaWestside Parkway, and then following SR 46 to Paso Robles.[49] SR 46 is slowly being upgraded to Interstate standards, minus overpasses between Interstate 5 and US Route 101.[clarification needed]

Education

[edit]

School districts include:

K-12 unified:[50]

Elementary:[50]

Communities

[edit]

Cities

[edit]

Unincorporated communities

[edit]
Pair ofBat stars nearLos Osos

Population ranking

[edit]

The population ranking of the following table is based on the2020 census of San Luis Obispo County.[51]

county seat

RankCity/Town/etc.Municipal typePopulation (2020 Census)
1San Luis ObispoCity47,063
2Paso Robles(El Paso de Robles)City31,490
3AtascaderoCity29,773
4Arroyo GrandeCity18,441
5NipomoCDP18,176
6Los OsosCDP14,465
7Grover BeachCity12,701
8Morro BayCity10,757
9TempletonCDP8,386
10Pismo BeachCity8,072
11OceanoCDP7,183
12CambriaCDP5,678
13San MiguelCDP3,172
14Lake NacimientoCDP2,956
15CayucosCDP2,505
16WoodlandsCDP1,933
17Avila BeachCDP1,576
18Los RanchosCDP1,516
19Santa MargaritaCDP1,291
20CallenderCDP1,282
21ShandonCDP1,168
22BlacklakeCDP1,016
23Los BerrosCDP623
24Garden FarmsCDP449
25San SimeonCDP445
26Whitley GardensCDP325
27Oak ShoresCDP316
28EdnaCDP184
29CrestonCDP98

See also

[edit]

Notes

[edit]
  1. ^Other = Some other race + Two or more races
  2. ^Native American = Native Hawaiian or other Pacific Islander + American Indian or Alaska Native
  3. ^abPercentage of registered voters with respect to total population. Percentages of party members with respect to registered voters follow.
  4. ^abcdefghijklmnopqrstuvwFor statistical purposes, defined by the United States Census Bureau as acensus-designated place (CDP).

Footnotes

[edit]
  1. ^"Chronology". California State Association of Counties. Archived fromthe original on January 29, 2016. RetrievedFebruary 6, 2015.
  2. ^abc"Board of Supervisors - County of San Luis Obispo".
  3. ^"Contact - County of San Luis Obispo".
  4. ^"Caliente Mountain".Peakbagger.com. RetrievedMarch 18, 2015.
  5. ^"Total Gross Domestic Product for San Luis Obispo-Paso Robles-Arroyo Grande, CA (MSA)".Federal Reserve Economic Data.Federal Reserve Bank of St. Louis.
  6. ^"San Luis Obispo County, California".United States Census Bureau. RetrievedJanuary 30, 2022.
  7. ^"Find a County". National Association of Counties. RetrievedJune 7, 2011.
  8. ^abSettevendemie, Marty."2020 Crop Report"(PDF). San Luis Obispo County Department of Agriculture. Archived fromthe original(PDF) on August 8, 2022. RetrievedApril 26, 2022.
  9. ^Terry L. Jones and Kathryn Klar (2007)California Prehistory: Colonization, Culture, and Complexity, Published by Rowman AltamiraISBN 0-7591-0872-2, 408 pages
  10. ^C. Michael Hogan (2008)Morro Creek, ed. by A. Burnham
  11. ^"2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. RetrievedOctober 4, 2015.
  12. ^"Places in San Luis Obispo County that look like Europe, Africa, & South America".www.slocal.com. March 2, 2021.Archived from the original on April 1, 2024. RetrievedApril 4, 2024.
  13. ^"Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2024". United States Census Bureau. RetrievedMay 10, 2025.
  14. ^"Census of Population and Housing from 1790-2000".US Census Bureau. RetrievedJanuary 24, 2022.
  15. ^"Historical Census Browser". University of Virginia Library. RetrievedOctober 4, 2015.
  16. ^Forstall, Richard L., ed. (March 27, 1995)."Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. RetrievedOctober 4, 2015.
  17. ^"Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000"(PDF). United States Census Bureau. April 2, 2001. RetrievedOctober 4, 2015.
  18. ^ab"P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – San Luis Obispo County, California".United States Census Bureau.
  19. ^ab"P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – San Luis Obispo County, California".United States Census Bureau.
  20. ^"California: 1980, General Social and Economic Characteristics, Part 1 - Table 59: Persons by Race, Hispanic Origin, and Sex"(PDF).United States Census Bureau.
  21. ^"California: 1990, Part 1 - Table 5: Race and Hispanic Origin"(PDF).United States Census Bureau. RetrievedJuly 14, 2024.
  22. ^"P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – San Luis Obispo County, California".United States Census Bureau.
  23. ^included in the Asian category in the 1980 Census
  24. ^included in the Asian category in the 1990 Census
  25. ^not an option in the 1980 Census
  26. ^not an option in the 1990 Census
  27. ^abcdefghijklmnopqU.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B02001.U.S. Census website. Retrieved October 26, 2013.
  28. ^abU.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B03003.U.S. Census website. Retrieved October 26, 2013.
  29. ^abU.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19301.U.S. Census website. Retrieved October 21, 2013.
  30. ^abU.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19013.U.S. Census website. Retrieved October 21, 2013.
  31. ^abU.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19113.U.S. Census website. Retrieved October 21, 2013.
  32. ^abU.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates.U.S. Census website. Retrieved October 21, 2013.
  33. ^U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B01003.U.S. Census website. Retrieved October 21, 2013.
  34. ^"2010 Census P.L. 94-171 Summary File Data".United States Census Bureau.
  35. ^"U.S. Census website".United States Census Bureau. RetrievedMay 14, 2011.
  36. ^Vaughan, Monica (June 18, 2019)."Hemp could be big money for SLO County farmers. Did politicians scare away investors?".San Luis Obispo Tribune. RetrievedJune 24, 2019.
  37. ^Wilson, Nick (October 31, 2019)."SLO County hemp harvest is in full swing, but here's why it's not as big as it could be".San Luis Obispo Tribune. RetrievedNovember 2, 2019.
  38. ^abcdefghijklmnopCalifornia Secretary of State.February 10, 2013 - Report of RegistrationArchived July 27, 2013, at theWayback Machine. Retrieved October 31, 2013.
  39. ^"Report of Registration as of August 30, 2021 - Registration by County"(PDF). Archived fromthe original(PDF) on September 11, 2021.
  40. ^Map of Election Results, County-by-County: The New York Times
  41. ^Leip, David."Dave Leip's Atlas of U.S. Presidential Elections".uselectionatlas.org. RetrievedSeptember 2, 2018.
  42. ^"California's 24th Congressional District - Representatives & District Map". Civic Impulse, LLC. RetrievedSeptember 25, 2014.
  43. ^"Final Maps | California Citizens Redistricting Commission". RetrievedNovember 4, 2025.
  44. ^abcdefghijOffice of the Attorney General, Department of Justice, State of California.Table 11: Crimes – 2009Archived December 2, 2013, at theWayback Machine. Retrieved November 14, 2013.
  45. ^Only larceny-theft cases involving property over $400 in value are reported as property crimes.
  46. ^abcUnited States Department of Justice, Federal Bureau of Investigation.Crime in the United States, 2012, Table 8 (California). Retrieved November 14, 2013.
  47. ^"San Luis Obispo County Fire Department".calfireslo.org. RetrievedApril 5, 2023.
  48. ^"Route18 - Amtrak San Joaquins". Archived fromthe original on December 1, 2023. RetrievedJanuary 21, 2025.
  49. ^Report on the Status of the Federal-Aid Highway Program. United States Senate. April 15, 1970. p. 89.
  50. ^abGeography Division (December 18, 2020)."2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: San Luis Obispo County, CA"(PDF).U.S. Census Bureau. RetrievedJune 1, 2025. -Text list
  51. ^"Explore Census Data".United States Census Bureau. RetrievedSeptember 27, 2021.

Further reading

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External links

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