Groton township is located in Erie County, Ohio. Groton township has a 2026 population of 1,298. Groton township is currently declining at a rate of -0.69% annually and its population has decreased by -3.21% since the most recent census, which recorded a population of 1,341 in 2020.
The median household income in Groton township is $93,843 with a poverty rate of 0%. The median age in Groton township is 47.7 years: 54.9 years for males, and 42.3 years for females. For every 100 females there are 86.9 males.