
Geary County
- State:
- Kansas
- County Seat:
- Junction City
Geary County's estimated 2025 population is 34,083 with a growth rate of -1.39% in the past year according to the most recent United States census data. Geary County is the 15th largest county in Kansas. The 2010 population was 35,241 and has seen a growth of -3.29% since that time.