
Prospect township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 24.277
- State:
- Ohio
Prospect township is located in Marion County, Ohio. Prospect township has a 2025 population of 1,996. Prospect township is currently declining at a rate of -0.05% annually and its population has decreased by -1.19% since the most recent census, which recorded a population of 2,020 in 2020.
The average household income in Prospect township is $93,780 with a poverty rate of 4.98%. The median age in Prospect township is 38.1 years: 44.6 years for males, and 35.2 years for females.