Cobb County, Georgia

Cobb County: County in Georgia, United States


Cobb County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 688,078 and a population density of 781 people per km². After 10 years in 2020 county had an estimated population of 762,944 inhabitants. Its county seat is Marietta. The county was created 191 years ago in 1832.

Cobb County locator map
Location of Cobb County on Georgia map.

Quick Facts about Cobb County

Population : 762,944 (2020)
Country : United States of America
State : Georgia (United States)
Twitter username : cobbcountygovt
Area : 881 km2
Water as percent of area : 1.4%
Land as percent of area : 98.6%
Altitude : 1,106 feet / 337 meters
Capital : Marietta
Establishment : December 12, 1832
Time Zone : America/New_York
Local time : 01:30:38 (14th June 2024)
Density : 866 Pop. per km² as of 2020
Population growth : 9.81% (2010-2020)
CobbCountyCourthouse image
CobbCountyCourthouse image


Cobb County is located at 33°56'29"N 84°34'36"W (33.9414700, -84.5766700). It has 3 neighbors: Bartow County, Douglas County and Fulton County.

Cobb County map

The largest city of Cobb County is Marietta with a population of 60,786. Other cities include, Kennesaw population 34,712, Acworth population 22,726, Powder Springs population 15,801 and Austell population 7,208. See all Cobb County cities & populated places.

Cobb County Populated Places

Cities, towns, neighborhoods & other populated places in Cobb County.

City Name Population Title
Marietta 60,786 The most populous city in Cobb County, Georgia.
Mableton 37,115 Census-designated place in Cobb County, Georgia
Kennesaw 34,712 City in Cobb County, Georgia, United States
Acworth 22,726 City in Cobb County, Georgia, United States
Powder Springs 15,801 City in Cobb County, Georgia, United States
Vinings 9,734 Census designated place in the U.
Austell 7,208 City in Cobb County, Georgia, United States
Pineview 477 Human settlement in Wilcox County, Georgia, United States of America

Cobb County has 3 neighbours.

  • Marietta


The population of Cobb County increased by 9.81% in 10 years.

Year Population % Change Method
2010 688,078 - census
2011 696,507 1.21% estimation process
2012 706,322 1.39% estimation process
2013 716,017 1.35% estimation process
2014 727,543 1.58% estimation process
2015 739,052 1.56% estimation process
2016 748,178 1.22% estimation process
2017 752,649 0.59% estimation process
2018 756,070 0.45% estimation process
2019 760,141 0.54% estimation process
2020 762,944 0.37% estimation process

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People born in Cobb County (4)

People born in Cobb County, including author James Dashner, politician Doug Stoner, attorney, business executive and politician James V. Carmichael, .


  • Carolyn D. Meadows (president of the National Rifle Association) she was born in 01/01/1950

Georgia Other Counties (more counties)

County Name Population Title
Fulton County 1,077,402 County in Georgia, United States
Gwinnett County 942,627 County in Georgia, United States
DeKalb County 762,009 County in Georgia, United States
Atlanta 512,550 The most populous city in Georgia and the center of the Atlanta metropolitan area.
Clayton County 292,646 County in Iowa, United States
Chatham County 289,463 County in Georgia, United States
Cherokee County 265,274 County in North Carolina, United States
Forsyth County 250,847 County in Georgia, United States
Henry County 239,139 County in Indiana, United States
Hall County 206,591 County in Georgia, United States
Richmond County 202,079 County in Georgia, United States
Augusta 197,166 The third most populous city in Georgia.
Muscogee County 196,442 County in Georgia, United States
Columbus 196,442 The second most populous city in Georgia.
Paulding County 173,359 County in Ohio, United States
Columbia County 160,377 County in Oregon, United States