Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 24.964
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2026 population of 707. Monroe township is currently growing at a rate of 0.28% annually but its population has decreased by -0.42% since the most recent census, which recorded a population of 710 in 2020.
The median household income in Monroe township is $101,927 with a poverty rate of 0%. The median age in Monroe township is 20.7 years: 20.5 years for males, and 33.9 years for females. For every 100 females there are 120.6 males.