Cobb County’s population is rising with the rest of metro Atlanta as the region continues to attract new residents, according to a study from the Atlanta Regional Commission.

Cobb welcomed 12,800 people between April 2016 and the same month in 2017, bringing its total population to about 758,000, the study said.

The entire metro area added 75,800 people and is now home to about 4.5 million.

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Delta Air Lines departure screens at Hartsfield-Jackson Atlanta International Airport display cancellations affecting passengers on Monday, Nov. 10, 2025. The airport saw hundreds of flight cancellations as the government shutdown disrupted the aviation industry nationwide.
(Miguel Martinez/AJC)

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U.S. Rep. Mike Collins' Senate campaign used Sen. Jon Ossoff's Senate portrait (center) to create an AI-generated video of Ossoff talking about his vote not to end the government shutdown.  The video was reposted to Collins' campaign account on X (left). (Screenshot)

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