Carthage township
- County:
- Athens County
- County Seat:
- No
- Area (mi²):
- 38.552
- State:
- Ohio
Carthage township is located in Athens County, Ohio. Carthage township has a 2026 population of 1,482. Carthage township is currently growing at a rate of 0.54% annually but its population has decreased by -0.54% since the most recent census, which recorded a population of 1,490 in 2020.
The median household income in Carthage township is $53,670 with a poverty rate of 11.39%. The median age in Carthage township is 36.1 years: 36.4 years for males, and 36 years for females. For every 100 females there are 88.0 males.