Herlong | |
|---|---|
Location of Herlong in Lassen County, California. | |
| Coordinates:40°08′37″N120°08′05″W / 40.14361°N 120.13472°W /40.14361; -120.13472 | |
| Country | United States |
| State | |
| County | Lassen |
| Area | |
• Total | 1.668 sq mi (4.320 km2) |
| • Land | 1.668 sq mi (4.320 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 4,114 ft (1,254 m) |
| Population (2020) | |
• Total | 237 |
| • Density | 142/sq mi (54.9/km2) |
| Time zone | UTC-8 (Pacific (PST)) |
| • Summer (DST) | UTC-7 (PDT) |
| ZIP Code | 96113 |
| Area codes | 530, 837 |
| GNIS feature IDs | 1658740; 2583035 |
| U.S. Geological Survey Geographic Names Information System: Herlong, California;U.S. Geological Survey Geographic Names Information System: Herlong, California | |
Herlong is acensus-designated place[3] inLassen County,California.[2] Herlong is located at the extreme eastern edge of theSierra Nevada Mountain Range in the southeastern region of Honey Lake Valley, 8 miles (13 km) north ofDoyle,[4] at an elevation of 4,114 feet (1,254 m).[2] Its population is 237 as of the 2020 census, down from 298 from the 2010 census. Herlong is located in southern Lassen County near the southeast edge ofHoney Lake, about 70 miles (110 km) north ofReno, Nevada, and about 45 miles (72 km) south ofSusanville, the county seat. The community is accessible toU.S. Route 395 viaLassen County Route A25 orLassen County Route A26.
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Herlong was developed in 1942 after theattack on Pearl Harbor duringWorld War II, to house civilian workers to support theSierra Army Depot, one of several ammunition storage facilities located inland in order to be safe from Japanese attack. The site also met the requirement of being a dry and isolated area. The community was named after Captain Henry W. Herlong, the first United States Army ordnance officer to die in World War II.[4] The postal stamps, money orders and equipment bore the spelling "Hurlong", which lasted for about five days; the error was discovered and corrected.
In the 21st century, Sierra Army Depot serves as the Army's End of First Life Center and theCONUS-based Army Prepositioned Stock Site. It continues to provide expeditionary logistics support and long-term sustainment solutions.
Since its beginning, the town has varied in size. Its population peaked at about 5,000 in the 1950s, consisting mostly of civilian employees on the base and their families. As of the 2020 census, the community had 237 people.
Herlong has several churches, including the Bible Baptist Church,Assembly of God, andSouthern Baptist. The State Office of Historic Preservation lists 62 historic properties in Herlong on its Historic Properties Data File for Lassen County. This is one of the last counties in California that is still considered to be "open range" land.

According to theUnited States Census Bureau, the CDP has a total area of 1.7 square miles (4.4 km2), all land.[1]
This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F. According to theKöppen Climate Classification system, Herlong has awarm-summer Mediterranean climate, abbreviated "Csb" on climate maps.[5]
| Climate data for Herlong | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 66 (19) | 68 (20) | 80 (27) | 87 (31) | 98 (37) | 107 (42) | 111 (44) | 107 (42) | 105 (41) | 90 (32) | 76 (24) | 69 (21) | 111 (44) |
| Mean daily maximum °F (°C) | 41.7 (5.4) | 47.6 (8.7) | 56.3 (13.5) | 65.1 (18.4) | 74 (23) | 82.7 (28.2) | 93.4 (34.1) | 91.6 (33.1) | 82.4 (28.0) | 69.7 (20.9) | 53.9 (12.2) | 43.5 (6.4) | 66.8 (19.3) |
| Mean daily minimum °F (°C) | 20.1 (−6.6) | 24.3 (−4.3) | 28 (−2) | 32.6 (0.3) | 38.3 (3.5) | 43.4 (6.3) | 48.8 (9.3) | 46.4 (8.0) | 41.1 (5.1) | 33.8 (1.0) | 26.1 (−3.3) | 21.4 (−5.9) | 33.7 (0.9) |
| Record low °F (°C) | −31 (−35) | −24 (−31) | 2 (−17) | 7 (−14) | 18 (−8) | 12 (−11) | 28 (−2) | 29 (−2) | 19 (−7) | 8 (−13) | −10 (−23) | −25 (−32) | −31 (−35) |
| Averageprecipitation inches (mm) | 1.8 (46) | 1.4 (36) | 1.1 (28) | 0.6 (15) | 0.6 (15) | 0.5 (13) | 0.3 (7.6) | 0.2 (5.1) | 0.4 (10) | 0.8 (20) | 1.3 (33) | 1.8 (46) | 10.7 (270) |
| Average snowfall inches (cm) | 5.6 (14) | 3.7 (9.4) | 3.5 (8.9) | 1.8 (4.6) | 0.6 (1.5) | 0 (0) | 0 (0) | 0 (0) | 0.1 (0.25) | 0.2 (0.51) | 2 (5.1) | 5.1 (13) | 22.6 (57) |
| Average precipitation days | 6 | 6 | 6 | 4 | 4 | 3 | 1 | 1 | 2 | 3 | 5 | 6 | 47 |
| Source:[5] | |||||||||||||
| Census | Pop. | Note | %± |
|---|---|---|---|
| 2010 | 298 | — | |
| 2020 | 237 | −20.5% | |
| U.S. Decennial Census[6] 2010[7] | |||
Herlong first appeared as acensus designated place in the2010 U.S. census.[7]
The2020 United States census reported that Herlong had a population of 237. The population density was 142.1 inhabitants per square mile (54.9/km2). The racial makeup of Herlong was 186 (78.5%)White, 18 (7.6%)African American, 15 (6.3%)Native American, 2 (0.8%)Asian, 0 (0.0%)Pacific Islander, 0 (0.0%) fromother races, and 16 (6.8%) from two or more races.Hispanic or Latino of any race were 8 persons (3.4%).[8]
The whole population lived in households. There were 112 households, out of which 45 (40.2%) had children under the age of 18 living in them, 30 (26.8%) were married-couple households, 10 (8.9%) werecohabiting couple households, 17 (15.2%) had a female householder with no partner present, and 55 (49.1%) had a male householder with no partner present. 39 households (34.8%) were one person, and 19 (17.0%) were one person aged 65 or older. The average household size was 2.12.[8] There were 65families (58.0% of all households).[9]
The age distribution was 57 people (24.1%) under the age of 18, 17 people (7.2%) aged 18 to 24, 59 people (24.9%) aged 25 to 44, 60 people (25.3%) aged 45 to 64, and 44 people (18.6%) who were 65 years of age or older. The median age was 40.8 years. For every 100 females, there were 123.6 males.[8]
There were 118 housing units at an average density of 70.7 units per square mile (27.3 units/km2), of which 112 (94.9%) were occupied. Of these, 24 (21.4%) were owner-occupied, and 88 (78.6%) were occupied by renters.[8]
The2010 United States census[10] reported that Herlong had a population of 298. The population density was 183.0 inhabitants per square mile (70.7/km2). The racial makeup of Herlong was 187 (62.8%)White, 38 (12.8%)African American, 16 (5.4%)Native American, 1 (0.3%)Asian, 3 (1.0%)Pacific Islander, 9 (3.0%) fromother races, and 44 (14.8%) from two or more races.Hispanic orLatino of any race were 46 persons (15.4%).
The Census reported that 293 people (98.3% of the population) lived in households, 5 (1.7%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 116 households, out of which 46 (39.7%) had children under the age of 18 living in them, 32 (27.6%) wereopposite-sex married couples living together, 25 (21.6%) had a female householder with no husband present, 9 (7.8%) had a male householder with no wife present. There were 16 (13.8%)unmarried opposite-sex partnerships, and 1 (0.9%)same-sex married couples or partnerships. 35 households (30.2%) were made up of individuals, and 5 (4.3%) had someone living alone who was 65 years of age or older. The average household size was 2.53. There were 66families (56.9% of all households); the average family size was 3.21.
The population was spread out, with 91 people (30.5%) under the age of 18, 22 people (7.4%) aged 18 to 24, 96 people (32.2%) aged 25 to 44, 80 people (26.8%) aged 45 to 64, and 9 people (3.0%) who were 65 years of age or older. The median age was 31.5 years. For every 100 females, there were 101.4 males. For every 100 females age 18 and over, there were 97.1 males.
There were 139 housing units at an average density of 85.4 per square mile (33.0/km2), of which 0 (0%) were owner-occupied, and 116 (100%) were occupied by renters. The homeowner vacancy rate was 0%; the rental vacancy rate was 14.1%. 0 people (0% of the population) lived in owner-occupied housing units and 293 people (98.3%) lived in rental housing units.
In thestate legislature, Herlong is inthe 1st senatorial district, represented byRepublican Megan Dahle,[11] andthe 1st Assembly district, represented byRepublican Heather Hadwick.[12]
Federally, Herlong is inCalifornia's 1st congressional district, represented byRepublican Doug LaMalfa.[13]