
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 25.394
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 6,148. Jefferson township is currently growing at a rate of 1.77% annually and its population has increased by 4.79% since the most recent census, which recorded a population of 5,867 in 2020.
The average household income in Jefferson township is $71,018 with a poverty rate of 15.23%. The median age in Jefferson township is 46.4 years: 46.8 years for males, and 45.4 years for females.