Foster
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 0.223
- State:
- Nebraska
Foster is a village located in Pierce County, Nebraska. Foster has a 2026 population of 46. Foster is currently growing at a rate of 4.55% annually and its population has increased by 2.22% since the most recent census, which recorded a population of 45 in 2020.