
Brookville
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 3.923
- State:
- Ohio
Brookville is a city located in Montgomery County, Ohio. Brookville has a 2025 population of 5,869. Brookville is currently declining at a rate of -0.41% annually and its population has decreased by -2.04% since the most recent census, which recorded a population of 5,991 in 2020.
The average household income in Brookville is $82,249 with a poverty rate of 7.1%. The median age in Brookville is 44.5 years: 36.9 years for males, and 49.9 years for females.