Monroe township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 25.675
- State:
- Ohio
Monroe township is located in Butler County, Ohio. Monroe township has a 2026 population of 1,649. Monroe township is currently growing at a rate of 0.06% annually but its population has decreased by -0.9% since the most recent census, which recorded a population of 1,664 in 2020.
The median household income in Monroe township is $80,997 with a poverty rate of 3.66%. The median age in Monroe township is 41.4 years: 40.7 years for males, and 42.9 years for females. For every 100 females there are 149.5 males.