
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 18.814
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 1,547. Jefferson township is currently growing at a rate of 0.06% annually but its population has decreased by -0.96% since the most recent census, which recorded a population of 1,562 in 2020.
The average household income in Jefferson township is $91,380 with a poverty rate of 4.71%. The median age in Jefferson township is 48.9 years: 49.9 years for males, and 48.6 years for females.