This beautiful small community was once one of Alabama’s best kept secrets. Chelsea became incorporated in 1996 and has since been widely considered the fastest growing city in Shelby County, the fastest growing county in the state. Although Growing to a population of just over ten thousand Chelsea is still really all about family. Chelsea was ranked the number one city for families in Alabama. With it’s unique neighborhood developments, quality schools and business community, Chelsea stands out as one of Shelby County’s most desirable cities.