Adair County Flag

Adair County

State:
Iowa
County Seat:
Greenfield

Adair County's 2026 population is estimated at 7,495, reflecting a 0.43% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Adair County is the 86th largest county in Iowa. The 2010 population was 7,679 and has grown -2.4% since 2010.

7,495
Total Population
13
Population Density (mi²)
86
Population Rank (State)
32 0.43%
Annual Population Growth

Adair County Population

Demographics

Economics and Income Statistics