Monroe township is located in Butler County, Ohio. Monroe township has a 2026 population of 441. Monroe township is currently growing at a rate of 0.23% annually and its population has increased by 2.08% since the most recent census, which recorded a population of 432 in 2020.
The median age in Monroe township is 35.5 years: 49.9 years for males, and 34.5 years for females. For every 100 females there are 50.3 males.
Data after 2023 is projected based on recent change
Overall: 35.5 years
Female: 34.5 years
Male: 49.9 years
There are 197 adults, (73 of whom are seniors) in Monroe township.
Female: 181 (66.5%)
Male: 91 (33.5%)
The racial composition of Monroe township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 272 | 100% |