Summit township is located in Monroe County, Ohio. Summit township has a 2026 population of 582. Summit township is currently declining at a rate of -1.19% annually and its population has decreased by -3.32% since the most recent census, which recorded a population of 602 in 2020.
The median household income in Summit township is $76,688 with a poverty rate of 10.28%. The median age in Summit township is 48.3 years: 49.1 years for males, and 43.7 years for females. For every 100 females there are 86.1 males.