Adair County Flag

Adair County

State:
Kentucky
County Seat:
Columbia

Adair County's 2026 population is estimated at 19,105, reflecting a -0.35% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Adair County is the 64th largest county in Kentucky. The 2010 population was 18,750 and has grown 1.89% since 2010.

19,105
Total Population
47
Population Density (mi²)
64
Population Rank (State)
-67 -0.35%
Annual Population Growth

Adair County Population

Demographics

Economics and Income Statistics