Richland is a small unincorporated community and census-designated place (CDP) in Union County, South Dakota, United States.

[4] In 1861, the community was founded by and named after Milton M. Rich of Chicago.

Mr. Rich was reported to have dreamed of building a community below the bluffs.

However, it was also reported that Mr. Rich disagreed with railroad officials on how to divide the site of the town.

This South Dakota state location article is a stub.