Grassland Colony
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 0.426
- State:
- South Dakota
Grassland Colony is a CDP located in Brown County, South Dakota South Dakota. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Grassland Colony is 45.3 years: 45.7 years for males, and 0 years for females. For every 100 females there are 114.3 males.