Welcome to Semmes.

Semmes is a town in western Mobile County, Alabama in the Mobile metropolitan statistical area. Formerly an unincorporated community, voters in Semmes approved incorporation of a part of the community as the city of Semmes on August 17, 2010 and was officially declared incorporated on May 2, 2011.

Semmes School is the oldest continuous-in-use school in the State of Alabama and is listed on the Alabama Historical Landmarks.

The community was named for Admiral Raphael Semmes (1809–1877), an officer in the United States Navy from 1826 to 1860 and the Confederate States Navy from 1860 to 1865.