
Foster
- County:
- Bates County
- County Seat:
- No
- Area (mi²):
- 0.475
- State:
- Missouri
Foster is a village located in Bates County, Missouri. Foster has a 2025 population of 79. Foster is currently declining at a rate of 0% annually and its population has increased by 1.28% since the most recent census, which recorded a population of 78 in 2020.
The average household income in Foster is $54,287 with a poverty rate of 15.69%. The median age in Foster is 48.9 years: 56.8 years for males, and 48.1 years for females.