Chelsea is a city located in Shelby County Alabama. With a 2020 population of 15,314, it is the 41st largest city in Alabama and the 2286th largest city in the United States . Chelsea is currently growing at a rate of 4.04% annually and its population has increased by 50.39% since the most recent census, which recorded a population of 10,183 in 2010. Chelsea reached it's highest population of 15,314 in 2021. Spanning over 23 miles, Chelsea has a population density of 663 people per square mile.
The average household income in Chelsea is $107,871 with a poverty rate of 3.54%. The median rental costs in recent years comes to $1,448 per month, and the median house value is $232,700. The median age in Chelsea is 34.9 years, 35.3 years for males, and 34.7 years for females.