
Foster
- County:
- Stephens County
- County Seat:
- No
- Area (mi²):
- 34.461
- State:
- Oklahoma
Foster is a town located in Stephens County, Oklahoma. Foster has a 2025 population of 250. Foster is currently growing at a rate of 0.4% annually and its population has increased by 2.04% since the most recent census, which recorded a population of 245 in 2020.
The average household income in Foster is $87,223 with a poverty rate of 13.1%. The median age in Foster is 37.2 years: 33.8 years for males, and 39.5 years for females.