
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 36.335
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 4,954. Jefferson township is currently growing at a rate of 0.14% annually and its population has increased by 0.79% since the most recent census, which recorded a population of 4,915 in 2020.
The average household income in Jefferson township is $83,084 with a poverty rate of 7.3%. The median age in Jefferson township is 46.3 years: 45.5 years for males, and 46.8 years for females.