Grassland Colony is a census-designated place (CDP) and Hutterite colony[4] in McPherson County, South Dakota, United States.

It was first listed as a CDP prior to the 2020 census.

[2] The population of the CDP was 127 at the 2020 census.

[5] It is in the southeast part of the county, 4 miles (6 km) by road north-northwest of Wetonka and 11 miles (18 km) southeast of Leola, the county seat.

This South Dakota state location article is a stub.