1825Government
== History ==
A large farm settlement near the area today known as Gardendale was settled around 1825.
1906Government
In 1906, the name Gardendale was selected, and in 1955, the City of Gardendale was officially incorporated.
1968Education
Gardendale High School graduated its first students in 1968.
1969Education
Gardendale Elementary School which opened in 1969 and replaced the older elementary school located about 300 yards east of the current school.
1970History
In approximately 1970, the city installed street lights along U.S.
1980Government
Since 1980, Gardendale has annexed considerable amounts of land on the north, east, and west sides.
1996Sports
In 1996, the Olympic torch run passed through the city during the weeks leading up to the 1996 Summer Olympic Games in Atlanta.
2000History
=== 2000 census ===
As of the census of 2000, there were 11,626 people, 4,733 households, and 3,474 families residing in the city.
2006Government
The city has a working historical society, established January 23, 2006, that is working to record the history of the Gardendale area.
2008History
In the fall of 2008, new signs were placed along the original route of Stouts Road through Gardendale denoting its historical significance as a stagecoach route between Tennesse...
2010Education
Gardendale High School is rated as a 6A school for athletic competition for the two-year period beginning in the fall of 2010.
2013Education
In November 2013, the city requested to break off its schools from those of Jefferson County and form its own mostly-White school system.
2015Architecture
Gardendale has a new City Hall that opened in 2015 on Main Street near the Civic Center.
2018Education
In early 2018, the attempt to break away from the county schools was squashed by the 11th Circuit Court of Appeals.
2019Architecture
== Infrastructure ==
=== Health care ===
In 2019, UAB opened a free-standing emergency room with outpatient clinics and helipad access.
2020History
== Demographics ==
=== 2020 census ===
As of the 2020 United States census, there were 16,044 people, 5,551 households, and 3,790 families residing in the city.
2024History
2024 estimate 20,014
=== 2010 census ===
As of the census of 2010, there were 13,893 people, 5,670 households, and 3,979 families residing in the city.