Lamar County, Georgia Demographics 2026

Population Overview

Lamar County is located in Georgia with a total population of 19,571. It is the 95th most populous county out of 159 in Georgia. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Lamar County is 39.2 years. This is 4% higher than the state median of 37.6 years.

Economy, Income & Housing

The median household income in Lamar County is $67,062. This is 13% lower than the state median of $77,353. It is also 17% lower than the national median of $80,734. The poverty rate stands at 9.6%. This is 28% lower than the state poverty rate of 13.4%. The unemployment rate is 4.0%. This is 21% lower than the state rate of 5.1%. The median home value is $216,500. Housing costs are 29% lower than the state median of $303,300. The home-value-to-income ratio is 3.2x. 75.7% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 65.7%.

Race & Ethnicity

The largest racial or ethnic group in Lamar County is White (non-Hispanic), making up 66.4% of the population. Black or African American residents account for 27.1%. The Hispanic or Latino population (3.4%) is well below the state average of 11.0%. The Asian population (0.7%) is well below the state average of 4.5%.

Education

19.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 34.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.6%.

Data Sources & Methodology

All figures for Lamar County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Georgia and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.