Dauphin Island is located in Alabama. Dauphin Island, Alabama has a population of 1,668. Dauphin Island is less family-centric than the surrounding county with 8% households with children. The county percentage for households with children is 27%.
The median household income in Dauphin Island, Alabama is $83,815. The median household income for the surrounding county is $49,394 compared to the national median of $66,222. The median age of people living in Dauphin Island is 57.2 years.
The average high temperature in July is 89.34 degrees, with an average low temperature in January of 40.78 degrees. The annual precipitation is 64.18.