
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 24.547
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 1,033. Jefferson township is currently declining at a rate of 0% annually and its population has decreased by -0.58% since the most recent census, which recorded a population of 1,039 in 2020.
The average household income in Jefferson township is $67,619 with a poverty rate of 2.98%. The median age in Jefferson township is 38.6 years: 50.4 years for males, and 29 years for females.