Upon Brookhaven's cityhood in December 2012, Mableton was previously the largest unincorporated CDP in Metro Atlanta.

Two Native American villages were established near the area that will later become known as Mableton - the settlements of Sweet Water Town and Nickajack.

[4] One of the early known records of white Europeans being aware of the inhabitants is an 1839 map depicting a 'Nickajack Creek' converging with the Chattahoochee River south and west of the Standing Peachtree settlement.

Mable was a millwright and farmer who grew cotton, corn, potatoes, and sorghum in the area; he owned between 11 and 48 slaves by 1860.

It is one of the few remaining covered bridges in Georgia, and still highly active today after it was later buttressed to handle automobile traffic.

A notable resident of the area during that period was John Gann, Cobb County's first state senator.

Gresham replenished his troops' supplies and received medical care at Robert Mable's house, and camped for the night before advancing to Atlanta.

The arrival of the railroad allowed Mableton to act as a commercial hub for then-rural Cobb County.

[11] In that year, the town suffered from a heavy flood that overwhelmed its sewer system,[12] resulting in an unexpected tax burden being placed upon the residents for repairs.

[8] But after locals successfully demanded that a tax on storm drains be shared by all of Cobb County instead, the town's charter was revoked and Mableton was disincorporated.

[21] Mableton was different in that the supporters of de-annexation were multi-racial and multi-generational while organizers of similar secession movements tended to be mainly older white residents.

[23] Mableton was the only one of four proposed new cities in Metro Atlanta to be approved; the other three, East Cobb, Lost Mountain and Vinings, all failed to be incorporated as municipalities in referendums.

[24] Though Mock reported that Mableton was different as it was the only one out of the four to have a majority non-white population and is assembling around "principles of diversity, affordability and inclusive voting rights".

Aaron Carman gained the most votes in the first round but lost the runoff to former Cobb County Democratic Committee chair Michael Owens who became the first mayor of Mableton, Georgia in over 100 years.

[66] Governor Roy Barnes provided a state grant for construction of a 2,500-seat amphitheater shortly after his appointment in 2000, fulfilling residents' desire dating back from the 1970s.

The Mable House Barnes Amphitheater is a $7 million state and local investment and attracts numerous high-profile acts.

The park is home to 11 roller coasters, the first "floorless" freefall tower ride in the world, and a fully-functional carousel from 1908 listed in the National Register of Historic Places.

It was then formalized by Duany Plater-Zyberk into a plan that was unanimously approved by Cobb County's Board of Commissioners in 2013.

[75] As of late 2020, Embry Development Company is in talks with the Cobb County Board of Commissioners to begin construction of a 31-acre mixed-use commercial/residential plaza at Mableton Parkway and Old Powder Springs Road.

The particular area, in addition to establishments along Veterans Memorial Highway (U.S. 78), is largely dated and rundown, with some businesses failing to adhere to building codes.

[77] Another company, Garner Group, is also redeveloping a nearly 40 year old strip mall along Floyd Road and East-West Connector into a mixed-use, pedestrian-friendly plaza.