Columbia County's 2026 population is estimated at 21,686, reflecting a -0.77% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Columbia County is the 28th largest county in Arkansas. The 2010 population was 24,722 and has grown -12.28% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.2 years
Female: 35.9 years
Male: 32.1 years
There are 17,553 adults, (3,905 of whom are seniors) in Columbia County.
Female: 11,542 (51.6%)
Male: 10,807 (48.4%)
The racial composition of Columbia County includes 60.64% White, 34.4% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,553 | 60.64% |
| Black or African American | 7,687 | 34.4% |
| Two or more races | 796 | 3.56% |
| Other race | 173 | 0.77% |
| Asian | 96 | 0.43% |
| Native American | 36 | 0.16% |
| Native Hawaiian or Pacific Islander | 8 | 0.04% |
Columbia County 's average per capita income is $37,167. Household income levels show a median of $55,334. The poverty rate stands at 21.13%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $85,250 | - |
| Families | $65,051 | $86,214 |
| Households | $55,334 | $69,996 |
| Non Families | $33,031 | $41,087 |
Average Income
Median Household Income
Poverty Rate