
Cimarron County
- State:
- Oklahoma
- County Seat:
- Boise City
Cimarron County's estimated 2025 population is 2,107 with a growth rate of -1.95% in the past year according to the most recent United States census data. Cimarron County is the 77th largest county in Oklahoma. The 2010 population was 2,472 and has seen a growth of -14.77% since that time.