Cobb County, Georgia Population 2021

Cobb County, Georgia's estimated population is 768,283 with a growth rate of 0.53% in the past year according to the most recent United States census data. Cobb County, Georgia is the 4th largest county in Georgia. The 2010 Population was 689,495 and has seen a growth of 11.43% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021768,2834,0710.53%
2020764,2124,0710.54%
2019760,1414,0710.54%
2018756,0703,4210.45%
2017752,6494,4710.60%
2016748,1789,1261.23%
2015739,05211,5091.58%
2014727,54311,5261.61%
2013716,0179,6951.37%
2012706,3229,8151.41%
2011696,5077,0121.02%
2010689,495241,75053.99%
1990447,745150,02750.39%
1980297,718100,92551.28%
1970196,79382,61972.36%
1960114,17452,34484.66%
195061,83023,55861.55%
194038,2722,8648.09%
193035,4084,97116.33%
192030,4372,0407.18%
191028,3973,73315.14%
190024,6642,37810.67%
189022,2861,5387.41%
188020,7486,93450.20%
187013,814-428-3.01%
186014,2423992.88%
185013,8436,30483.62%
18407,5390.00%
2021 Growth Rate
0.53%
County Website
State
Founded
December 2, 1832
County Seat
2010 Population
689,495
Growth Since 2010
11.43%
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Cobb County, Georgia Population Growth

Population by Race

Race Population Percentage
White440,46258.63%
Black or African American207,05927.56%
Asian40,2715.36%
Some Other Race38,0885.07%
Two or More Races22,9883.06%
American Indian and Alaska Native1,9410.26%
Native Hawaiian and Other Pacific Islander4090.05%
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Cobb County, Georgia Population by Race

Cobb County, Georgia Population Pyramid $2021

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Cobb County, Georgia Median Age

36.7


Total

35.5


Male

37.8


Female

Cobb County, Georgia Adults

There are 571,389 adults, (89,040 of whom are seniors) in Cobb County, Georgia.

Cobb County, Georgia Age Dependency

55.7

Age Dependency Ratio

18.5

Old Age Dependency Ratio

37.3

Child Dependency Ratio

Cobb County, Georgia Sex Ratio

Female

387,679

51.61%

Male

363,539

48.39%

Cobb County, Georgia Population by Age

Cobb County, Georgia Renter vs Owner Occupied by Household Type

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Cobb County, Georgia Household Types

Type Owner Renter
Married80.8%19.2%
All64.5%35.5%
Male49.4%50.6%
Non Family48%52%
Female47%53%

64.5%

Rate of Home Ownership

Cobb County, Georgia Households and Families

Type Count Average Size Owned
All280,3742.6464.5
Married141,9013.2480.8
Non Family90,8351.3448
Female36,1513.3247
Male11,4873.3649.4

3.19

Average Family Size

2.64

Average Household Size

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Cobb County, Georgia Households by Type

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Education Attained Count Percentage
Less Than 9th Grade20,7734.12%
9th to 12th Grade19,0703.79%
High School Graduate93,25318.51%
Some College96,31419.12%
Associates Degree35,6937.08%
Bachelors Degree151,68730.11%
Graduate Degree86,99917.27%
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Cobb County, Georgia Educational Attainment by Sex (over 25)

Cobb County, Georgia Educational Attainment by Race

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Race Total High School Bachelors
White284,982271,472150,944
Black132,279125,03553,322
Hispanic51,13133,98911,329
Asian27,95125,86718,720
Other Race20,36712,1322,851
2+ Races9,2498,5204,564
Native American1,4881,086496
Islander23322473

The highest rate of high school graduation is among islander people with a rate of 96.14%.

The highest rate of bachelors degrees is among asian people with a rate of 66.97%.

Cobb County, Georgia Educational Attainment by Race

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Name Average Male Female
Overall$47,360$53,919$40,945
Less Than 9th Grade$25,004$27,132$17,231
High School Graduate$31,771$36,102$26,471
Some College$38,109$44,404$31,949
Bachelors Degree$60,910$76,272$50,221
Graduate Degree$76,064$100,493$63,789

$47,360

Average Earnings

$53,919

Average Male

$40,945

Average Female

Cobb County, Georgia Earnings by Educational Attainment

Cobb County, Georgia Language by Age

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Cobb County, Georgia Language

79.06% of Cobb County, Georgia residents speak only English, while 20.94% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.52% of the population.

Cobb County, Georgia Language

Cobb County, Georgia Poverty by Race

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Name Total In Poverty Poverty Rate
White384,04324,2776.32%
Black203,00621,95410.81%
Hispanic96,30617,86118.55%
Other37,5768,58422.84%
Multiple22,7962,58111.32%
Asian39,9861,9214.80%
Native1,93224012.42%
Islander386276.99%

9.10%

Overall Poverty Rate

8.35%

Male Poverty Rate

9.81%

Female Poverty Rate

Poverty in Cobb County, Georgia

The race most likely to be in poverty in Cobb County, Georgia is Other, with 22.84% below the poverty level.

The race least likely to be in poverty in Cobb County, Georgia is Asian, with 4.80% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.09%. Among those working part-time, it was 12.90%, and for those that did not work, the poverty rate was 15.49%.

Cobb County, Georgia Poverty

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Name Poverty
Less Than 9th Grade18.91%
High School10.28%
Some College7.01%
Bachelors or Greater3.59%

Cobb County, Georgia Poverty Rate by Education

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Rate Poverty
Female Unemployed23.89%
Male Unemployed20.90%
Female Employed5.61%
Male Employed4.00%

Cobb County, Georgia Poverty Rate by Employment Status and Sex

Cobb County, Georgia Income by Household Type

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Name Median Mean
Households$77,932$104,969
Families$95,474$122,207
Married Families$113,147$140,560
Non Families$50,183$65,385
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Income by Household Type

Cobb County, Georgia Marital Status

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Marriage Rates

50.9%

Overall Marriage Rate

53.3%

Male Marriage Rate

48.7%

Female Marriage Rate

Cobb County, Georgia Married by Age and Sex

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Cobb County, Georgia Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Cobb County, Georgia Marital Status by Race

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Cobb County, Georgia Marital Status

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41,345

Number of Veterans

36,514

Male Veterans

4,831

Female Veterans

War Veterans
Vietnam14,299
First Gulf War10,940
Second Gulf War8,211
Korea2,483
World War II788

Cobb County, Georgia Veterans by War

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Age Group Veterans
35 to 5411,261
65 to 749,920
55 to 648,952
75+7,592
18 to 343,620

Cobb County, Georgia Veterans by Age

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Name Veterans % of Total
White26,8927.73%
Black12,1877.94%
Hispanic2,1293.46%
2+ Races7706.74%
Other Race6442.65%
Asian6422.06%
Native American1649.24%
Islander4618.62%

Cobb County, Georgia Veterans by Race

Cobb County, Georgia Veterans by Education

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4.13%

Veteran Poverty Rate

22.14%

Veteran Disability Rate

Cobb County, Georgia Veterans by Education

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70.2%

Labor Force Participation

67%

Employment Rate

4.4%

Unemployment Rate

Cobb County, Georgia Employment by Age

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Cobb County, Georgia Employment by Race

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Cobb County, Georgia Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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38.76%

Born in Cobb County, Georgia

84.32%

Native Born

15.68%

Foreign Born

8.48%

Non Citizen

7.20%

Naturalized

Place of Birth

84.32% of Cobb County, Georgia residents were born in the United States, with 38.76% having been born in Georgia. 8.48% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Cobb County, Georgia Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources