Chelsea is located close to the center of Alabama. Chelsea is part of Shelby County. Chelsea has 21.34 square miles of land area and 0.36 square miles of water area. As of 2010-2014, the total Chelsea population is 11,051, which has grown 274.74% since 2000. The population growth rate is much higher than the state average rate of 8.33% and is much higher than the national average rate of 11.61%. Chelsea median household income is $85,106 in 2010-2014 and has grown by 26.87% since 2000. The income growth rate is about the same as the state average rate of 27.47% and is about the same as the national average rate of 27.36%. Chelsea median house value is $199,400 in 2010-2014 and has grown by 6.23% since 2000. The house value growth rate is much lower than the state average rate of 45.48% and is much lower than 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 Chelsea is much better than the state average in quality. The Chelsea area code is 205.