Hanover township
- County:
- Columbiana County
- County Seat:
- No
- Area (mi²):
- 35.81
- State:
- Ohio
Hanover township is located in Columbiana County, Ohio. Hanover township has a 2026 population of 3,393. Hanover township is currently declining at a rate of -0.35% annually and its population has decreased by -2.11% since the most recent census, which recorded a population of 3,466 in 2020.
The median household income in Hanover township is $67,578 with a poverty rate of 7.91%. The median age in Hanover township is 49 years: 49.8 years for males, and 42.8 years for females. For every 100 females there are 132.2 males.