Columbia County Flag

Columbia County

State:
Arkansas
County Seat:
Magnolia

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.

21,686
Total Population
28
Population Density (mi²)
28
Population Rank (State)
-169 -0.77%
Annual Population Growth

Columbia County Population

Demographics

Economics and Income Statistics