
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 42.381
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 8,203. Jefferson township is currently growing at a rate of 3.91% annually and its population has increased by 13.52% since the most recent census, which recorded a population of 7,226 in 2020.
The average household income in Jefferson township is $91,135 with a poverty rate of 8.5%. The median age in Jefferson township is 45.1 years: 44.7 years for males, and 45.9 years for females.