# Lamar County, Georgia

Lamar County is a county in the West Central region the U.S. state of Georgia. As of the 2020 census, the population was 18,500. The county seat is Barnesville.

## History

The Georgia 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. Land from Pike County and Monroe County was then transferred to create Lamar County. Lamar County was named after Confederate Democrat Lucius Quintus Cincinnatus Lamar II.

## Geography

According to the U.S. Census Bureau, the county has a total area of 186 square miles (480 km$^2$), of which 184 square miles (480 km$^2$) is land and 2.3 square miles (6.0 km$^2$) (1.3%) is water. It is located in the Piedmont region of the state.
The western third of Lamar County, west of a line from Orchard Hill through Milner and Barnesville, is located in the Upper Flint River sub-basin of the ACF River Basin (Apalachicola-Chattahoochee-Flint River Basin). The eastern majority of the county is located in the Upper Ocmulgee River sub-basin of the Altamaha River basin.

### Major highways

* Interstate 75
* U.S. Route 41
* U.S. Route 341
* State Route 7
* State Route 18
* State Route 36
* State Route 109
* State Route 401 (unsigned designation for I-75)

### Adjacent counties

* Butts County (northeast)
* Monroe County (east)
* Upson County (southwest)
* Pike County (west)
* Spalding County (northwest)

## Communities
### Cities

* Barnesville (county seat)
* Milner

### Towns

* Aldora
* Goggins

## Demographics

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 | Pop 2010 | Pop 2020 | % 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 or Alaska 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 the 2020 United States census, there were 18,500 people, 6,494 households, and 3,746 families residing in the county.

## Politics

United States presidential election results for Lamar County, Georgia :
| Year | Republican | Republican | Democratic | Democratic | Third party(ies) | Third party(ies) |
| Year | No. | % | No. | % | No. | % |
| 2024 | 7,575 | 72.75% | 2,795 | 26.84% | 42 | 0.40% |
| 2020 | 6,331 | 69.99% | 2,620 | 28.97% | 94 | 1.04% |
| 2016 | 5,190 | 67.87% | 2,270 | 29.68% | 187 | 2.45% |
| 2012 | 4,899 | 64.36% | 2,602 | 34.18% | 111 | 1.46% |
| 2008 | 4,873 | 63.24% | 2,752 | 35.72% | 80 | 1.04% |
| 2004 | 4,027 | 61.96% | 2,432 | 37.42% | 40 | 0.62% |
| 2000 | 2,912 | 55.68% | 2,194 | 41.95% | 124 | 2.37% |
| 1996 | 1,988 | 43.75% | 2,125 | 46.76% | 431 | 9.49% |
| 1992 | 1,707 | 38.71% | 2,065 | 46.83% | 638 | 14.47% |
| 1988 | 2,035 | 57.83% | 1,416 | 40.24% | 68 | 1.93% |
| 1984 | 2,198 | 57.80% | 1,605 | 42.20% | 0 | 0.00% |
| 1980 | 1,298 | 33.91% | 2,453 | 64.08% | 77 | 2.01% |
| 1976 | 847 | 23.32% | 2,785 | 76.68% | 0 | 0.00% |
| 1972 | 1,844 | 73.47% | 666 | 26.53% | 0 | 0.00% |
| 1968 | 575 | 20.50% | 790 | 28.16% | 1,440 | 51.34% |
| 1964 | 1,570 | 50.30% | 1,548 | 49.60% | 3 | 0.10% |
| 1960 | 479 | 26.00% | 1,363 | 74.00% | 0 | 0.00% |
| 1956 | 555 | 26.61% | 1,531 | 73.39% | 0 | 0.00% |
| 1952 | 429 | 21.66% | 1,552 | 78.34% | 0 | 0.00% |
| 1948 | 164 | 12.92% | 909 | 71.63% | 196 | 15.45% |
| 1944 | 143 | 12.35% | 1,015 | 87.65% | 0 | 0.00% |
| 1940 | 85 | 8.86% | 869 | 90.62% | 5 | 0.52% |
| 1936 | 69 | 7.59% | 839 | 92.30% | 1 | 0.11% |
| 1932 | 33 | 4.38% | 714 | 94.69% | 7 | 0.93% |
| 1928 | 126 | 15.79% | 672 | 84.21% | 0 | 0.00% |
| 1924 | 38 | 5.72% | 594 | 89.46% | 32 | 4.82% |

## Education

All of the county is in the Lamar County School District.