
Bellefontaine
- County:
- Logan County
- County Seat:
- Yes
- Area (mi²):
- 10.103
- State:
- Ohio
Bellefontaine is a city located in Logan County, Ohio. Bellefontaine has a 2025 population of 14,049. It is also the county seat of Logan County. Bellefontaine is currently declining at a rate of -0.09% annually and its population has decreased by -0.43% since the most recent census, which recorded a population of 14,109 in 2020.
The average household income in Bellefontaine is $71,979 with a poverty rate of 17.38%. The median age in Bellefontaine is 36.1 years: 38.4 years for males, and 35.4 years for females.