
Payne County
- State:
- Oklahoma
- County Seat:
- Stillwater
Payne County's estimated 2025 population is 84,654 with a growth rate of 0.77% in the past year according to the most recent United States census data. Payne County is the 8th largest county in Oklahoma. The 2010 population was 77,420 and has seen a growth of 9.34% since that time.