Cobb County, Georgia Population 2020

Cobb County, Georgia's estimated population is 765,029 with a growth rate of 0.54% in the past year according to the most recent United States census data. Cobb County, Georgia is the 4th largest county in Georgia.

Year Population Growth Growth Rate
2020765,0294,0820.54%
2019760,9474,0820.54%
2018756,8654,0820.54%
2017752,7834,2200.56%
2016748,5639,2441.25%
2015739,31911,5621.59%
2014727,75711,5951.62%
2013716,1629,7631.38%
2012706,3999,8981.42%
2011696,5016,9731.01%
2010689,528241,78354.00%
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%
2020 Growth Rate
0.54%
County Website
State
Founded
December 2, 1832
County Seat

Cobb County, Georgia Population Growth

Population by Race

Race Population Percentage
White441,97859.32%
Black or African American203,87427.36%
Asian39,1505.25%
Some Other Race35,4054.75%
Two or More Races22,4413.01%
American Indian and Alaska Native1,7370.23%
Native Hawaiian and Other Pacific Islander4720.06%

Cobb County, Georgia Population Pyramid 2020

Cobb County, Georgia Median Age

36.5


Total

35.4


Male

37.6


Female

Cobb County, Georgia Adults

There are 564,850 adults, (85,117 of whom are seniors) in Cobb County, Georgia.

Cobb County, Georgia Age Dependency

55.3

Age Dependency Ratio

17.7

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Cobb County, Georgia Sex Ratio

Female

384,787

51.65%

Male

360,270

48.35%

Cobb County, Georgia Households and Families

Cobb County, Georgia Renter vs Owner Occupied by Household Type

Cobb County, Georgia Household Types

Type Owner Renter
Married80.6%19.4%
All64.3%35.7%
Male49.7%50.3%
Non Family48.2%51.8%
Female44.1%55.9%

64.3%

Rate of Home Ownership

Type Count Average Size Owned
All277,2222.6564.3
Married141,5963.2580.6
Non Family87,6761.3448.2
Female36,7143.2644.1
Male11,2363.3549.7

3.18

Average Family Size

2.65

Average Household Size

4.8%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Cobb County, Georgia Education

Education Attained Count Percentage
Less Than 9th Grade19,9464.01%
9th to 12th Grade20,9354.21%
High School Graduate93,09118.72%
Some College96,90319.49%
Associates Degree35,1087.06%
Bachelors Degree148,99729.97%
Graduate Degree82,21216.54%

Cobb County, Georgia Educational Attainment by Race

Name Total High School Bachelors
White284,909270,503147,928
Black128,148119,84449,658
Hispanic50,04933,80111,595
Asian27,21825,09517,987
Other Race18,70511,1932,656
Multiple Races8,7858,1554,450
Native American1,293957485
Islander29228253

The highest rate of high school graduation is among islander people with a rate of 96.58%.

The highest rate of bachelors degrees is among asian people with a rate of 66.08%.

Name Average Male Female
Overall$45,399$52,983$39,407
Less Than High School$22,786$25,644$15,745
High School Grad$30,631$35,180$25,188
Some College$37,064$42,384$31,713
Bachelors Degree$59,107$74,694$48,740
Graduate Degree$74,453$99,809$63,328

$45,399

Average Earnings

$52,983

Average Male

$39,407

Average Female

Cobb County, Georgia Language

Cobb County, Georgia Language by Age

Cobb County, Georgia Language

79.19% of Cobb County, Georgia residents speak only English, while 20.81% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.59% of the population.

Cobb County, Georgia Poverty

Cobb County, Georgia Poverty by Race

Name Total In Poverty Poverty Rate
White385,49626,1726.79%
Black199,79024,96412.50%
Hispanic94,46419,36020.49%
Other34,9068,84525.34%
Multiple22,2722,50711.26%
Asian38,8062,2305.75%
Native1,73021312.31%
Islander460326.96%

10.01%

Overall Poverty Rate

9.32%

Male Poverty Rate

10.65%

Female Poverty Rate

Poverty in Cobb County, Georgia

The race most likely to be in poverty in Cobb County, Georgia is Other, with 25.34% below the poverty level.

The race least likely to be in poverty in Cobb County, Georgia is Asian, with 5.75% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.33%. Among those working part-time, it was 14.05%, and for those that did not work, the poverty rate was 16.71%.

Name Poverty
Less Than High School22.63%
High School12.07%
Some College7.38%
Bachelors or Greater3.65%
Name Poverty
Female Unemployed27.92%
Male Unemployed24.77%
Female Employed5.91%
Male Employed4.71%

Cobb County, Georgia Income

Cobb County, Georgia Income by Household Type

Name Median Mean
Households$75,153$100,977
Families$90,727$116,547
Married Families$108,332$134,775
Non Families$48,221$63,540

Cobb County, Georgia Marital Status

Cobb County, Georgia Marital Status

Marriage Rates

51.2%

Overall Marriage Rate

53.9%

Male Marriage Rate

48.8%

Female Marriage Rate

Cobb County, Georgia Married by Age and Sex

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

Cobb County, Georgia Veterans

42,191

Number of Veterans

37,186

Male Veterans

5,005

Female Veterans

War Veterans
Vietnam14,444
First Gulf War10,818
Second Gulf War7,622
Korea2,902
World War II1,288
Age Group Veterans
35 to 5411,664
65 to 7410,174
55 to 648,884
75+7,814
18 to 343,655
Name Veterans % of Total
White28,0248.03%
Black11,9638.00%
Hispanic1,8883.14%
2 or More7746.93%
Asian7252.40%
Other4852.19%
Indian1439.32%
Hawaiian7725.25%

$Cobb County, Georgia Veterans by Education

4.17%

Veteran Poverty Rate

22.47%

Veteran Disability Rate

Cobb County, Georgia Employment Status

70.2%

Labor Force Participation

66.6%

Employment Rate

5%

Unemployment Rate

Cobb County, Georgia Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

38.63%

Born in Georgia

84.34%

Native Born

15.66%

Foreign Born

8.49%

Non Citizen

Place of Birth

84.34% of Cobb County, Georgia residents were born in the United States, with 38.63% having been born in Georgia. 8.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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