
Richland township
- County:
- Darke County
- County Seat:
- No
- Area (mi²):
- 21.135
- State:
- Ohio
Richland township is located in Darke County, Ohio. Richland township has a 2025 population of 835. Richland township is currently growing at a rate of 0.36% annually and its population has increased by 0.97% since the most recent census, which recorded a population of 827 in 2020.
The average household income in Richland township is $70,238 with a poverty rate of 8.32%. The median age in Richland township is 39.1 years: 39 years for males, and 40.1 years for females.