New Lyme township
- County:
- Ashtabula County
- County Seat:
- No
- Area (mi²):
- 24.832
- State:
- Ohio
New Lyme township is located in Ashtabula County, Ohio. New Lyme township has a 2026 population of 1,026. New Lyme township is currently declining at a rate of -0.1% annually and its population has decreased by -0.87% since the most recent census, which recorded a population of 1,035 in 2020.
The median household income in New Lyme township is $54,915 with a poverty rate of 13.16%. The median age in New Lyme township is 45 years: 45.6 years for males, and 39 years for females. For every 100 females there are 108.7 males.