
Sanders County
- State:
- Montana
- County Seat:
- Thompson Falls
Sanders County's estimated 2025 population is 14,284 with a growth rate of 2.15% in the past year according to the most recent United States census data. Sanders County is the 13th largest county in Montana. The 2010 population was 11,395 and has seen a growth of 25.35% since that time.