Richland township
- County:
- McCook County
- County Seat:
- No
- Area (mi²):
- 35.905
- State:
- South Dakota
Richland township is located in McCook County, South Dakota. Richland township has a 2026 population of 170. Richland township is currently declining at a rate of -1.16% annually but its population has increased by 4.29% since the most recent census, which recorded a population of 163 in 2020.
The median household income in Richland township is $83,848 with a poverty rate of 0%. The median age in Richland township is 50.4 years: 54.2 years for males, and 50.2 years for females. For every 100 females there are 89.8 males.