Dauphin Island is located in Alabama. Dauphin Island, Alabama has a population of 1,771. Dauphin Island is less family-centric than the surrounding county with 9.65% of the households containing married families with children. The county average for households married with children is 27.7%.
The median household income in Dauphin Island, Alabama is $62,560. The median household income for the surrounding county is $51,169 compared to the national median of $69,021. The median age of people living in Dauphin Island is 61 years.
The average high temperature in July is 88.9 degrees, with an average low temperature in January of 41.5 degrees. The average rainfall is approximately 64.2 inches per year, with 0 inches of snow per year.