Gardendale is a city located in Jefferson County Alabama. With a 2020 population of 14,333, it is the 48th largest city in Alabama and the 2384th largest city in the United States . Gardendale is currently growing at a rate of 0.55% annually and its population has increased by 3.17% since the most recent census, which recorded a population of 13,893 in 2010. Gardendale reached it's highest population of 14,333 in 2021. Spanning over 23 miles, Gardendale has a population density of 626 people per square mile.
The average household income in Gardendale is $85,876 with a poverty rate of 9.18%. The median rental costs in recent years comes to $909 per month, and the median house value is $171,700. The median age in Gardendale is 41.1 years, 38 years for males, and 42.7 years for females.