
Addison township
- County:
- Gallia County
- County Seat:
- No
- Area (mi²):
- 26.834
- State:
- Ohio
Addison township is located in Gallia County, Ohio. Addison township has a 2025 population of 2,085. Addison township is currently declining at a rate of -0.24% annually and its population has decreased by -1.33% since the most recent census, which recorded a population of 2,113 in 2020.
The average household income in Addison township is $63,463 with a poverty rate of 11.98%. The median age in Addison township is 48.5 years: 47.3 years for males, and 49.5 years for females.