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Metro Atlanta to grow by about one Denver in about 30 years

Maggie Lee
Thumbnail of population 2050 forecast graph

By Maggie Lee

The population of Metro Atlanta’s 21 counties will grow from about 5.7 million as of 2015 to about 8.6 million in 2050, according to a new forecast by the Atlanta Regional Commission.

That’s like adding about one metro Denver, Colorado to metro Atlanta in about a generation — or 2.9 million more metro Atlantans than there were just a few years ago.

That future population is going to be older and more diverse than today’s metro Atlanta.

About 12% of residents will be aged 75 or older in the future, up from about 4% now.

“It always just kind of boggles my mind to think about the Atlanta region having more than a million people who are 75 years and older,” said Mike Carnathan, who oversees research and analytics for the ARC, a group for the metro’s counties.

Such a high percentage of over-75s is something new for metro Atlanta.

“It’s really important to start thinking about that,” said Carnarthan. “How is society going to adapt?”

The ARC periodically updates population and employment forecasts, because part of its job is to help counties understand the future needs of metro Atlantans. The ARC helps figure out what kinds of jobs Atlantans will need to study for, or how people will want or need to live or travel in what will be a more crowded world

In the future, a greater share of workers will work in health care and social assistance than they do today. That’s nurses, home health workers and so on, and it has something to do with that greying population.  A smaller share of workers will work in retail sales.

The ARC starts its forecasting by looking at what’s called an “econometric forecast:” that’s done by a national research company, but it’s a county-by-county look at the economy.

At its most basic, that starting forecast is: “Here’s what the economy is going to look like, and here’s the people we need to meet these economic needs,” Carnathan said.

But there are tons of ways to adjust all those variables. The national forecasters might be correct about, say, labor force participation rate in the future.

Or the ARC’s group of experts from around here, like professors and economists, might think the data from the national group is a bit off. And so they tweak that number and change the outcome of the model a little.

The ARC also talks to the folks who run local county and city governments, and ask them what’s being built, where they’re planning for growth, what their local plans call for. And that goes in the mix too.

It’s part art and part science, Carnarthan said.

The white share of the population will decline to about 31 percent, from almost half now. The population of people of Hispanic, Asian and other race and ethnic backgrounds will grow in proportion to the white population decline. The African-American population should hold steady at about 33 percent.

The 21 counties in the report are: Barrow, Bartow, Carroll, Cherokee, Clayton, Cobb, Coweta, Dawson, DeKalb, Douglas, Fayette, Forsyth, Fulton, Gwinnett, Hall, Henry, Newton, Paulding, Rockdale, Spalding and Walton.

The ARC has published the report here.

Graph showing projected population growth by county. A table follows in the next section

Metro Atlanta county populations in 2015 and 2050 projections by ARC
County 2015 Population 2050 forecast total
Barrow 75,103 120,361
Bartow 110,448 172,629
Carroll 116,236 158,083
Cherokee 233,231 372,153
Clayton 266,888 385,938
Cobb 727,521 1,021,984
Coweta 141,156 217,765
Dawson 23,301 31,963
DeKalb 718,442 995,591
Douglas 137,343 189,090
Fayette 110,975 147,678
Forsyth 206,701 434,619
Fulton 970,290 1,433,025
Gwinnett 859,757 1,448,676
Hall 200,586 289,128
Henry 218,364 371,071
Newton 106,500 154,616
Paulding 149,382 250,317
Rockdale 89,390 113,463
Spalding 66,291 93,719
Walton 86,969 124,688
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Maggie Lee
Maggie Lee

Maggie Lee is a freelance reporter who's been covering Georgia and metro Atlanta government and politics since 2008.

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