Beloit
- County:
- Mitchell County
- County Seat:
- Yes
- Area (mi²):
- 3.917
- State:
- Kansas
Beloit is a city located in Mitchell County, Kansas. Beloit has a 2026 population of 3,400. It is also the county seat of Mitchell County. Beloit is currently growing at a rate of 0.21% annually and its population has increased by 0.27% since the most recent census, which recorded a population of 3,391 in 2020.