Hamilton township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 11.03
- State:
- Ohio
Hamilton township is located in Butler County, Ohio. Hamilton township has a 2026 population of 1,580. Hamilton township is currently declining at a rate of -0.63% annually and its population has decreased by -3.95% since the most recent census, which recorded a population of 1,645 in 2020.
The median household income in Hamilton township is $57,500 with a poverty rate of 9.17%. The median age in Hamilton township is 40.7 years: 49.5 years for males, and 38.2 years for females. For every 100 females there are 76.4 males.