
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 23.111
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 1,308. Jefferson township is currently growing at a rate of 0.08% annually but its population has decreased by -0.38% since the most recent census, which recorded a population of 1,313 in 2020.
The average household income in Jefferson township is $82,446 with a poverty rate of 9.89%. The median age in Jefferson township is 50.3 years: 57.4 years for males, and 48 years for females.