Oahe Acres is an unincorporated community and census-designated place (CDP) in Hughes County, South Dakota, United States.

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

[2] The population of the CDP was 503 at the 2020 census.

[4] It is in the northwest part of the county, 7 miles (11 km) north of Pierre, the state capital, and 2 miles (3 km) east of Oahe Dam on the Missouri River.

This South Dakota state location article is a stub.