Atchison County Flag

Atchison County

State:
Kansas
County Seat:
Atchison

Atchison County's estimated 2025 population is 15,942 with a growth rate of -0.23% in the past year according to the most recent United States census data. Atchison County is the 32nd largest county in Kansas. The 2010 population was 16,855 and has seen a growth of -5.42% since that time.

15,942
Total Population
37
Population Density (mi²)
32
Population Rank (State)
-37 -0.23%
Annual Population Growth

Atchison County Population

Demographics

Economics and Income Statistics