Adair County Flag

Adair County

State:
Iowa
County Seat:
Greenfield

Adair County's estimated 2026 population is 7,341 with a growth rate of -0.84% in the past year according to the most recent United States census data. Adair County is the 89th largest county in Iowa. The 2010 population was 7,679 and has seen a growth of -4.4% since that time.

7,341
Total Population
13
Population Density (mi²)
89
Population Rank (State)
-62 -0.84%
Annual Population Growth

Adair County Population

Demographics

Economics and Income Statistics