Belton
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 14.413
- State:
- Missouri
Belton is a city located in Cass County, Missouri. Belton has a 2026 population of 25,861. Belton is currently growing at a rate of 1.24% annually and its population has increased by 7.58% since the most recent census, which recorded a population of 24,038 in 2020.