County in Georgia, United States
County in Georgia
Lamar County is acounty in theWest Central region of theU.S. state ofGeorgia . As of the2020 census , the population was 18,500.[ 1] county seat isBarnesville .[ 2]
TheGeorgia General Assembly proposed the constitutional amendment to create the county on August 17, 1920, and the citizens of the state voted in favor of the amendment on November 2, 1920.[ 3] Pike County andMonroe County was then transferred to create Lamar County.Lamar County was named afterConfederate DemocratLucius Quintus Cincinnatus Lamar II .[ 4]
According to theU.S. Census Bureau , the county has a total area of 186 square miles (480 km2 ), of which 184 square miles (480 km2 ) is land and 2.3 square miles (6.0 km2 ) (1.3%) is water.[ 5] Piedmont region of the state.
The western third of Lamar County, west of a line fromOrchard Hill throughMilner andBarnesville , is located in the UpperFlint River sub-basin of theACF River Basin (Apalachicola-Chattahoochee-Flint River Basin). The eastern majority of the county is located in the UpperOcmulgee River sub-basin of theAltamaha River basin.[ 6]
Historical population Census Pop. Note %± 1930 9,745 — 1940 10,091 3.6% 1950 10,242 1.5% 1960 10,240 0.0% 1970 10,688 4.4% 1980 12,215 14.3% 1990 13,038 6.7% 2000 15,912 22.0% 2010 18,317 15.1% 2020 18,500 1.0% 2024 (est.) 20,690 [ 7] 11.8% U.S. Decennial Census[ 8] [ 9] [ 10] [ 11] [ 12] [ 13] [ 14] [ 15] [ 16] [ 17]
Lamar County, Georgia – Racial and ethnic composition NH = Non-Hispanic )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 Pop 2000[ 18] Pop 2010[ 16] Pop 2020[ 17] % 2000 % 2010 % 2020 White alone (NH)10,683 11,943 12,344 67.14% 65.20% 66.72% Black or African American alone (NH)4,806 5,621 4,888 30.20% 30.69% 26.42% Native American orAlaska Native alone (NH)42 34 13 0.26% 0.19% 0.07% Asian alone (NH)59 68 102 0.37% 0.37% 0.55% Pacific Islander alone (NH)1 2 4 0.01% 0.01% 0.02% Other race alone (NH)14 22 48 0.09% 0.12% 0.26% Mixed race or Multiracial (NH)135 286 626 0.85% 1.56% 3.38% Hispanic or Latino (any race)172 341 475 1.08% 1.86% 2.57% Total 15,912 18,317 18,500 100.00% 100.00% 100.00%
As of the2020 United States census , there were 18,500 people, 6,494 households, and 3,746 families residing in the county.
United States presidential election results for Lamar County, Georgia[ 19] Year Republican Democratic Third party(ies) No. % No. % No. % 1924 38 5.72% 594 89.46% 32 4.82% 1928 126 15.79% 672 84.21% 0 0.00% 1932 33 4.38% 714 94.69% 7 0.93% 1936 69 7.59% 839 92.30% 1 0.11% 1940 85 8.86% 869 90.62% 5 0.52% 1944 143 12.35% 1,015 87.65% 0 0.00% 1948 164 12.92% 909 71.63% 196 15.45% 1952 429 21.66% 1,552 78.34% 0 0.00% 1956 555 26.61% 1,531 73.39% 0 0.00% 1960 479 26.00% 1,363 74.00% 0 0.00% 1964 1,570 50.30% 1,548 49.60% 3 0.10% 1968 575 20.50% 790 28.16% 1,440 51.34% 1972 1,844 73.47% 666 26.53% 0 0.00% 1976 847 23.32% 2,785 76.68% 0 0.00% 1980 1,298 33.91% 2,453 64.08% 77 2.01% 1984 2,198 57.80% 1,605 42.20% 0 0.00% 1988 2,035 57.83% 1,416 40.24% 68 1.93% 1992 1,707 38.71% 2,065 46.83% 638 14.47% 1996 1,988 43.75% 2,125 46.76% 431 9.49% 2000 2,912 55.68% 2,194 41.95% 124 2.37% 2004 4,027 61.96% 2,432 37.42% 40 0.62% 2008 4,873 63.24% 2,752 35.72% 80 1.04% 2012 4,899 64.36% 2,602 34.18% 111 1.46% 2016 5,190 67.87% 2,270 29.68% 187 2.45% 2020 6,331 69.99% 2,620 28.97% 94 1.04% 2024 7,575 72.75% 2,795 26.84% 42 0.40%
All of the county is in theLamar County School District .[ 20]
^ "Census - Geography Profile: Lamar County, Georgia" .United States Census Bureau . RetrievedDecember 27, 2022 .^ "Find a County" . National Association of Counties. Archived fromthe original on May 31, 2011. RetrievedJune 7, 2011 .^ GeorgiaInfo - Carl Vinson Institute of Government ^ Gannett, Henry (1905).The Origin of Certain Place Names in the United States Government Printing Office . p. 180 . ^ "US Gazetteer files: 2010, 2000, and 1990" .United States Census Bureau . February 12, 2011. RetrievedApril 23, 2011 .^ "Georgia Soil and Water Conservation Commission Interactive Mapping Experience" . Georgia Soil and Water Conservation Commission. Archived fromthe original on October 3, 2018. RetrievedNovember 20, 2015 .^ "County Population Totals and Components of Change: 2020-2024" . United States Census Bureau. RetrievedAugust 22, 2025 .^ "Decennial Census of Population and Housing by Decades" . United States Census Bureau.^ "1880 Census Population by Counties 1790-1800" (PDF) . United States Census Bureau. 1880.^ "1910 Census of Population - Georgia" (PDF) . United States Census Bureau. 1910. Archived fromthe original (PDF) on January 16, 2024.^ "1930 Census of Population - Georgia" (PDF) . United States Census Bureau. 1930.^ "1940 Census of Population - Georgia" (PDF) . United States Census Bureau. 1940.^ "1950 Census of Population - Georgia -" (PDF) . United States Census Bureau. 1950.^ "1980 Census of Population - Number of Inhabitants - Georgia" (PDF) . United States Census Bureau. 1980.^ "2000 Census of Population - Population and Housing Unit Counts - Georgia" (PDF) . United States Census Bureau. 2000.^a b "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Lamar County, Georgia" . United States Census Bureau. RetrievedJanuary 26, 2024 .^a b "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Lamar County, Georgia" . United States Census Bureau. RetrievedJanuary 26, 2024 .^ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Lamar County, Georgia" . United States Census Bureau. RetrievedJanuary 26, 2024 .^ Leip, David."Dave Leip's Atlas of U.S. Presidential Elections" .uselectionatlas.org . RetrievedMarch 20, 2018 . ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Lamar County, GA" (PDF) .U.S. Census Bureau . RetrievedSeptember 24, 2024 .Text list
Places adjacent to Lamar County, Georgia
Municipalities and CDPs in Metro Atlanta
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33°04′N 84°08′W / 33.07°N 84.14°W /33.07; -84.14
