Hamilton township is located in Butler County, Ohio. Hamilton township has a 2026 population of 546. Hamilton township is currently growing at a rate of 0.37% annually but its population has decreased by -0.18% since the most recent census, which recorded a population of 547 in 2020.
The median household income in Hamilton township is $63,304 with a poverty rate of 0%. The median age in Hamilton township is 65.4 years: 65.2 years for males, and 66.2 years for females. For every 100 females there are 74.0 males.