Adair County Flag

Adair County

State:
Oklahoma
County Seat:
Stilwell

Adair County's estimated 2026 population is 20,181 with a growth rate of 0.9% in the past year according to the most recent United States census data. Adair County is the 40th largest county in Oklahoma. The 2010 population was 22,760 and has seen a growth of -11.33% since that time.

20,181
Total Population
35
Population Density (mi²)
40
Population Rank (State)
180 0.9%
Annual Population Growth

Adair County Population

Demographics

Economics and Income Statistics