
Linn County
- State:
- Kansas
- County Seat:
- Mound City
Linn County's estimated 2025 population is 10,026 with a growth rate of 0.83% in the past year according to the most recent United States census data. Linn County is the 38th largest county in Kansas. The 2010 population was 9,624 and has seen a growth of 4.18% since that time.