
Richland township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 30.777
- State:
- Ohio
Richland township is located in Marion County, Ohio. Richland township has a 2025 population of 1,808. Richland township is currently growing at a rate of 0.28% annually and its population has increased by 1.52% since the most recent census, which recorded a population of 1,781 in 2020.
The average household income in Richland township is $166,086 with a poverty rate of 0.81%. The median age in Richland township is 40.9 years: 40.9 years for males, and 40.9 years for females.