Summerdale is a rural town in south-central Baldwin County, Alabama, United States. It is the site of the Naval Outlying Landing Field Summerdale. At the 2020 census, the population was 1,468. It is part of the Daphne–Fairhope–Foley Metropolitan Statistical Area.

Baldwin County is a county located in the southwestern part of the U.S. state of Alabama, on the Gulf coast. It is one of only two counties in Alabama that border the Gulf of Mexico, along with Mobile County. As of the 2020 census, the population was 231,767, making it the fourth-most populous county in Alabama. The county seat is Bay Minette. The county is named after the founder of the University of Georgia, Senator Abraham Baldwin.