
Bellefontaine Neighbors
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 4.4
- State:
- Missouri
Bellefontaine Neighbors is a city located in St. Louis County, Missouri. Bellefontaine Neighbors has a 2025 population of 10,150. Bellefontaine Neighbors is currently declining at a rate of -1.07% annually and its population has decreased by -5.13% since the most recent census, which recorded a population of 10,699 in 2020.
The average household income in Bellefontaine Neighbors is $58,618 with a poverty rate of 22.37%. The median age in Bellefontaine Neighbors is 44.2 years: 36.3 years for males, and 46.1 years for females.