Chelsea is located in Shelby county Alabama with a geographic area of 23.8 square miles. The total population in Chelsea is 13,599 with 52.2% male and 47.8% female. Children under age 5 represent 5.9% of the population, under age 18 equal 31.6% of the population and over age 65 is 12.4% of the population. The median household income is $92,917, per capita income is $36,120. There are a total of 4,442 housing units with 90.4% owner occupied. Education includes 10.9% of residents that are high school graduates and 50.1% with a bachelor's degree or higher. The average temperature in Chelsea in the summer is 77 degrees, and in the winter 43 degrees.
