
Fairfax
- County:
- Osage County
- County Seat:
- No
- Area (mi²):
- 0.766
- State:
- Oklahoma
Fairfax is a town located in Osage County, Oklahoma. Fairfax has a 2025 population of 1,085. Fairfax is currently declining at a rate of -0.82% annually and its population has decreased by -3.9% since the most recent census, which recorded a population of 1,129 in 2020.
The average household income in Fairfax is $61,526 with a poverty rate of 22.94%. The median age in Fairfax is 44.5 years: 42.1 years for males, and 48.4 years for females.