The Pioneer Museum is a Non Profit organization dedicated to the preservation of the history of Sweetwater and Nolan County. The museum was identified as a Texas Historical Landmark in 1979, and has been a member of the Permian Basin Museum Institute since 1986.

The Pioneer Museum is supported by the city, the county, memorials and private contributions. Service to the public is carried on by a board of directors, a museum manager, a small staff and a support organization, " Friends of the Museum".