
Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 28.78
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2025 population of 1,149. Jefferson township is currently growing at a rate of 0.35% annually and its population has increased by 1.32% since the most recent census, which recorded a population of 1,134 in 2020.
The average household income in Jefferson township is $97,899 with a poverty rate of 6.28%. The median age in Jefferson township is 41.6 years: 39.7 years for males, and 44.7 years for females.