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Old 08-17-2018, 04:03 PM
 
Location: Georgia native in McKinney, TX
8,057 posts, read 12,777,348 times
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Quote:
Originally Posted by cwkimbro View Post
I don't think you will find exactly what you want, but you should be able to pull out Excel and do a small amount of leg work.

Just take the demographic totals your interested in for Gwinnett County and put into one row. List all its cities below that and subtract.

Two other alternatives: USA.com packages a limited amount of census data into an easy to you website. You can zoom into zip codes that are mostly unincorporated or census tracts and see raw demographic numbers for that area. The key thing here, especially in the core counties, you will find the demographics of unincorporated areas vary a good bit.

example: Gwinnett County, GA - USA.comâ„¢

That leads me to alternative #2

It isn't raw numbers, but there are many maps that show the landscape fairly accurately. NYtimes had a mapping the census dot-density map years back and there are other examples.

You can also search for maps that map single demographic groups (asians, hispanics, wealthy, poor, etc...) most of them are city-borderless, so you just have to keep in mind where the city boarders are.
If you want a real accurate accounting, you would have to see the cities that cross county lines and find out how much are in each county. I know the county maps the state used years ago would list the portion of a city's population in that county if a city were partially in that county. I would think that info still exists somewhere.

For instance, in calculating Gwinnett's unincorporated population, you would have to take into account both Buford and Loganville. Buford is majority Gwinnett but extends into Hall. Loganville is primarily in Walton but extends into Gwinnett. If my memory serves right, the tiny burg of Rest Haven (almost totally surrounded by Burford) is in both Hall and Gwinnett as well.
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Old 08-17-2018, 04:19 PM
 
Location: Georgia native in McKinney, TX
8,057 posts, read 12,777,348 times
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Because I am bored at work, have done this little example for Cobb County. All populations are 2017 US Census estimates.

Cobb County 755,754

Acworth 22,698
Austell 7,215
Kennesaw 34,344
Marietta 61,048
Powder Springs 15,052
Smyrna 56,685

Total population of the 6 incorporated cities in Cobb: 197,042

As none of the 6 cities cross county lines, subtract that combined figure from the total in Cobb and the population of unincorporated Cobb is 558,712.
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Old 08-17-2018, 04:34 PM
 
Location: Seattle, WA
9,830 posts, read 7,167,574 times
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This site shows the population of zip codes, and you can search by city name, and it includes unincorporated areas as well as incorporated in the search (ignores city limits). Pretty interesting. And you can add up zip codes to get population of address. (Might be older data though- not sure.)

https://www.zip-codes.com/city/ga-marietta.asp (just replace Marietta in the URL with the city name you're looking for)

For example, if Marietta were to annex all of the unincorporated area of Cobb with a Marietta address, its population would be a little over 300,000 (added up all the population of all the Marietta zip codes listed there.)
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Old 08-17-2018, 04:39 PM
 
Location: The Greatest city on Earth: City of Atlanta Proper
8,468 posts, read 14,900,224 times
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Quote:
Originally Posted by primaltech View Post
This site shows the population of zip codes, and you can search by city name, and it includes unincorporated areas as well as incorporated in the search (ignores city limits). Pretty interesting. And you can add up zip codes to get population of address. (Might be older data though- not sure.)

https://www.zip-codes.com/city/ga-marietta.asp (just replace Marietta in the URL with the city name you're looking for)

For example, if Marietta were to annex all of the unincorporated area of Cobb with a Marietta address, its population would be a little over 300,000 (added up all the population of all the Marietta zip codes listed there.)
That wouldn't work very well. Zip codes don't follow municipal lines like that. Take 30319 for example. It covers parts of North Buckhead/City of Atlanta, parts of Chamblee, parts of Dunwoody, all of Brookhaven, and little of unicorp Dekalb county.
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Old 08-17-2018, 08:08 PM
 
Location: Georgia native in McKinney, TX
8,057 posts, read 12,777,348 times
Reputation: 6318
Quote:
Originally Posted by waronxmas View Post
That wouldn't work very well. Zip codes don't follow municipal lines like that. Take 30319 for example. It covers parts of North Buckhead/City of Atlanta, parts of Chamblee, parts of Dunwoody, all of Brookhaven, and little of unicorp Dekalb county.
It's fun for the purpose above to see what the population would be of everyone that uses that city as an address. But yes, in the areas of DeKalb and Fulton where the new cities have sprouted, doesn't work so well. Neither does it work to help the OP figure out unincorporated populations of counties as zip codes meander over county lines with abandon.
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Old 08-17-2018, 08:16 PM
 
Location: Lake Spivey, Georgia
1,990 posts, read 2,336,613 times
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Applying the "zip code annexation" rule mentioned here would balloon Clayton County's small county seat town of Jonesboro (population of a little over 3,000 I think) to well over 100,000 AND would spread it all over Clayton County and into neighboring Henry and Fayette Counties. It would have a similar effect on Fairburn and McDonough as well.
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Old 08-17-2018, 08:18 PM
 
Location: Georgia native in McKinney, TX
8,057 posts, read 12,777,348 times
Reputation: 6318
Quote:
Originally Posted by Clayton white guy View Post
Applying the "zip code annexation" rule mentioned here would balloon Clayton County's small county seat town of Jonesboro (population of a little over 3,000 I think) to well over 100,000 AND would spread it all over Clayton County and into neighboring Henry and Fayette Counties. It would have a similar effect on Fairburn and McDonough as well.
If these were Texas burbs, they would have done this years ago and would be that large. Easy.
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Old 08-18-2018, 01:41 AM
 
16,627 posts, read 29,284,217 times
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Quote:
Originally Posted by Saintmarks View Post
Because I am bored at work, have done this little example for Cobb County. All populations are 2017 US Census estimates.

Cobb County 755,754

Acworth 22,698
Austell 7,215
Kennesaw 34,344
Marietta 61,048
Powder Springs 15,052
Smyrna 56,685

Total population of the 6 incorporated cities in Cobb: 197,042

As none of the 6 cities cross county lines, subtract that combined figure from the total in Cobb and the population of unincorporated Cobb is 558,712.
Brother Marks, a wee bit of Austell extends into Douglas County.
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Old 08-20-2018, 03:35 PM
 
Location: Georgia native in McKinney, TX
8,057 posts, read 12,777,348 times
Reputation: 6318
Quote:
Originally Posted by aries4118 View Post
Brother Marks, a wee bit of Austell extends into Douglas County.
I thought about that but thought it had been de-annexed when Lithia Springs came and went. Any population at all in the Douglas portion?
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Old 08-20-2018, 04:58 PM
 
2,289 posts, read 2,921,182 times
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Quote:
Originally Posted by Psykomonkee View Post
I'm looking for a list showing the census estimated populations of the UNINCORPORATED areas of Atlanta Metro counties (really, just Fulton, Dekalb, Cobb, Gwinnett, Douglas & Clayton)..
Call the counties. I don't know exactly who you should ask, but there has to be a staffer that knows how many people live in the unincorporated part of the county.
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