
Stevens County
- State:
- Washington
- County Seat:
- Colville
Stevens County's estimated 2025 population is 49,945 with a growth rate of 1.12% in the past year according to the most recent United States census data. Stevens County is the 22nd largest county in Washington. The 2010 population was 43,472 and has seen a growth of 14.89% since that time.