Columbia County, Georgia
Located in Georgia, Columbia County has a population of 162,434 residents and a median age of 37.9 years, making it the #425 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.5%. The median home value is $305,300, and the median household income is $95,592, which is 27% above the national median.
Demographics
Columbia County has a population of 162,434, making it the #425 most populous county in the US. The median age is 37.9 years, which is 2.6% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Columbia County is $95,592, ranking #215 out of 3,222 counties — 27.2% above the national median. The poverty rate is 7.5% and unemployment stands at 4.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Columbia County is $305,300 (+8.3% vs national). Renters pay a median of $1,409/mo and the homeownership rate is 78.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Columbia County, 38.5% of adults age 25+ hold a bachelor's degree or higher, which is 14.1% above the national average, ranking #333 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Columbia County is 78.4 years. 17.4% of adults report poor or fair health and 10.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.0% of adults in Columbia County smoke , 36.0% are obese , and 17.3% report excessive drinking. The drug overdose death rate is 21.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Columbia County is 3.1 per 100,000 and the suicide rate is 15.7 per 100,000. Motor vehicle deaths occur at a rate of 11.0 per 100,000.
Homicide Rate Trend
Families & Children
8.1% of children in Columbia County live in poverty and the infant mortality rate is 5.9 per 1,000 live births. The teen birth rate is 8.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Columbia County is 72.7%. The mean commute time is 27.7 min, which is 0.5% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Columbia County voted Republican with a margin of 25.6%. The vote was 36.8% Dem / 62.4% Rep. Compared to 2020, the margin shifted +0.2 toward Democrats .
Vote Share Over Time
About Columbia County, Georgia
Columbia County, Georgia has a total population of 162,434, making it the 425th most populous county in the United States. The median age in Columbia County is 37.9 years, which is 2.6% below the national median of 38.9 years.
The median household income in Columbia County is $95,592, which ranks #215 of 3,222 counties nationwide. This is 27.2% above the national median of $75,149. The poverty rate is 7.5%, lower than the national rate of 12.6%. The unemployment rate stands at 4.6%.
The median home value in Columbia County is $305,300, 8.3% above the national median. Renters in Columbia County pay a median gross rent of $1,409 per month. The homeownership rate is 78.1%, compared to the national rate of 64.4%.
In Columbia County, 38.5% of residents aged 25 and older hold a bachelor's degree or higher, 14.1% above the national average of 33.7%. Health insurance coverage stands at 90.7% of the population. The average commute time for workers is 27.7 min.
Columbia County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 63.2% of the population, followed by Black (non-Hispanic) (18.7%) and Hispanic or Latino (8.0%).
All data for Columbia County, Georgia comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.