Jefferson township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 32.688
- State:
- Ohio
Jefferson township is located in Ashtabula County, Ohio. Jefferson township has a 2026 population of 803. Jefferson township is currently declining at a rate of -0.62% annually but its population has increased by 4.56% since the most recent census, which recorded a population of 768 in 2020.
The median household income in Jefferson township is $116,579 with a poverty rate of 7%. The median age in Jefferson township is 32.8 years: 32.7 years for males, and 34.1 years for females. For every 100 females there are 83.0 males.