
Andover township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 22.243
- State:
- Ohio
Andover township is located in Ashtabula County, Ohio. Andover township has a 2025 population of 2,558. Andover township is currently growing at a rate of 0.31% annually and its population has increased by 0.99% since the most recent census, which recorded a population of 2,533 in 2020.
The average household income in Andover township is $69,570 with a poverty rate of 35.69%. The median age in Andover township is 47.1 years: 45.1 years for males, and 49.5 years for females.