Clay Center
- County:
- Clay County
- County Seat:
- Yes
- Area (mi²):
- 0.731
- State:
- Nebraska
Clay Center is a city located in Clay County, Nebraska. Clay Center has a 2026 population of 723. It is also the county seat of Clay County. Clay Center is currently declining at a rate of -0.69% annually but its population has increased by 0.14% since the most recent census, which recorded a population of 722 in 2020.