Brookville township
- County:
- Ogle County
- County Seat:
- No
- Area (mi²):
- 18.081
- State:
- Illinois
Brookville township is located in Ogle County, Illinois. Brookville township has a 2026 population of 236. Brookville township is currently declining at a rate of -0.84% annually and its population has decreased by -1.67% since the most recent census, which recorded a population of 240 in 2020.
The median household income in Brookville township is $59,545 with a poverty rate of 0%. The median age in Brookville township is 56.6 years: 59.9 years for males, and 39.5 years for females. For every 100 females there are 100.0 males.