
Republic County
- State:
- Kansas
- County Seat:
- Belleville
Republic County's estimated 2025 population is 4,575 with a growth rate of -0.57% in the past year according to the most recent United States census data. Republic County is the 70th largest county in Kansas. The 2010 population was 4,938 and has seen a growth of -7.35% since that time.