Greenland township
- County:
- McCook County
- County Seat:
- No
- Area (mi²):
- 34.744
- State:
- South Dakota
Greenland township is located in McCook County, South Dakota. Greenland township has a 2026 population of 334. Greenland township is currently declining at a rate of -0.89% annually but its population has increased by 4.05% since the most recent census, which recorded a population of 321 in 2020.
The median household income in Greenland township is $111,667 with a poverty rate of 5.38%. The median age in Greenland township is 40.3 years: 40.2 years for males, and 44.1 years for females. For every 100 females there are 116.7 males.