Dauphin Island, AL
Dauphin Island is located in south Alabama. Dauphin Island is part of Mobile County. Dauphin Island has 6.35 square miles of land area and 159.60 square miles of water area. As of 2010-2014, the total Dauphin Island population is 1,291, which has shrunk 5.84% since 2000. The population growth rate is much lower than the state average rate of 8.33% and is much lower than the national average rate of 11.61%. Dauphin Island median household income is $64,677 in 2010-2014 and has grown by 46.27% since 2000. The income growth rate is much higher than the state average rate of 27.47% and is much higher than the national average rate of 27.36%. Dauphin Island median house value is $205,900 in 2010-2014 and has grown by 48.13% since 2000. The house value growth rate is higher than the state average rate of 45.48% and is about the same as the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Dauphin Island is better than the state average in quality. The Dauphin Island area code is 251.