Semmes is a community located in Mobile County, in the state of Alabama (AL), United States. Nestled in the East South Central division of the South region, it covers an area of 126.3 square miles (327.0 km²) and sits at an elevation of 255 ft. With a population of approximately 17,484 residents, Semmes offers a vibrant community life.
The town's population is composed of about 49.94% males and 50.06% females, and it has a population density of 138.43 people per square mile (53.45/km²). Semmes lies at a latitude of 30.79 and a longitude of -88.3, operating in the UTC-6.