The Commerce Public Library is the public library serving Commerce. It is owned and operated by the Friends of the Commerce Public Library, a not-for-profit organization established in 1954 to promote and support the library. Its funding is provided partially by the City of Commerce, Hunt County, Commerce Community Cares, and by the Friends of the Commerce Public Library.

The library contains over 30,000 volumes, including print books, audio materials, and videos. It also offers 8 public computers providing Internet access and free public wireless Internet. It also has access to library databases providing access to over 235,000 full-text e-books (through Overdrive), journals, newspapers, primary source documents, and newspapers. Additionally, the library features a local history and genealogy collection.

The library was originally opened on October 12, 1954 in a small building located at 1903 Park Street. In March 1972, the City of Commerce was given a deed to the former post office building at 1210 Park Street, which was renovated and opened as a library in March 1973. In 1980, the City Council passed a resolution that provided for maintenance and repair work on the building and its grounds. In 1991, the 1910 Park Street building was given historic site status by the Texas Historical Commission.