
Walnut township
- County:
- Pickaway County
- County Seat:
- No
- Area (mi²):
- 40.647
- State:
- Ohio
Walnut township is located in Pickaway County, Ohio. Walnut township has a 2025 population of 3,150. Walnut township is currently growing at a rate of 1.29% annually and its population has increased by 6.64% since the most recent census, which recorded a population of 2,954 in 2020.
The average household income in Walnut township is $114,966 with a poverty rate of 21.72%. The median age in Walnut township is 34.1 years: 32.4 years for males, and 40 years for females.