Cobb County, Georgia Population 2018

Cobb County, Georgia's estimated population is 755,754 with a growth rate of 3.76% in the past year according to the most recent United States census data. Cobb County, Georgia is the 3rd largest county in Georgia.

Year Population Growth Growth Rate
2017755,75427,3663.76%
2016728,388-22,089-2.94%
2016750,4778,4541.14%
2015742,02312,1191.66%
2014729,90412,7031.77%
2013717,2019,6521.36%
2012707,54910,1161.45%
2011697,4337,8381.14%
2010689,595241,85054.02%
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%

Cobb County, Georgia Population Growth

Population Data via

Population by Race

Race Population
White441,994
Black or African American194,744
Asian36,668
Some Other Race33,979
Two or More Races19,070
American Indian and Alaska Native1,494
Native Hawaiian and Other Pacific Islander439

Race Data via US Census (2016 ACS 5-Year Survey)

Cobb County, Georgia Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Cobb County, Georgia Median Age

36.2


Total

35.1


Male

37.3


Female

Cobb County, Georgia Adults

There are 548,476 adults, (77,209 of which are seniors) in Cobb County, Georgia.

Cobb County, Georgia Age Dependency

54.4

Age Dependency Ratio

16.3

Old Age Dependency Ratio

38.1

Child Dependency Ratio

Cobb County, Georgia Sex Ratio

Female

376,305

51.66%

Male

352,083

48.34%

Cobb County, Georgia Households and Families

Cobb County, Georgia Renter vs Owner Occupied by Household Type

Cobb County, Georgia Household Types

Type Owner Renter
Married79.8%20.2%
All63.9%36.1%
Male49%51%
Non Family48.7%51.3%
Female44.2%55.8%

63.9%

Rate of Home Ownership

Cobb County, Georgia Households by Type

Type Count Average Size Owned
All271,9752.6463.9
Married137,8593.2679.8
Non Family86,2371.3148.7
Female35,6113.2344.2
Male12,2683.349

3.18

Average Family Size

2.64

Average Household Size

5.1%

Unmarried (Opposite Sex)

0.6%

Unmarried (Same Sex)

Cobb County, Georgia Households

Cobb County, Georgia Education

Cobb County, Georgia Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade20,6244.28%
9th to 12th Grade21,7974.53%
High School Graduate91,59919.03%
Some College96,34320.01%
Associates Degree34,5107.17%
Bachelors Degree142,03929.50%
Graduate Degree74,55115.48%

Cobb County, Georgia Educational Attainment by Race

Name Total High School Bachelors
White283,659268,668143,114
Black119,433110,10843,641
Hispanic47,96931,4519,909
Asian24,90222,99316,683
Other Race17,51910,8742,239
Multiple Races7,2436,7663,560
Native American1,163814319
Islander30426351

The highest rate of high school graduation is among white people with a rate of 94.72%.

The highest rate of bachelors degrees is among white people with a rate of 66.99%.

Cobb County, Georgia Earnings by Educational Attainment

Name Average Male Female
Overall$41,922$49,761$36,581
Less Than High School$20,546$22,894$14,615
High School Grad$27,430$31,351$22,935
Some College$34,640$40,451$30,450
Bachelors Degree$55,336$72,101$45,464
Graduate Degree$70,154$93,227$59,282

$41,922

Average Earnings

$49,761

Average Male

$36,581

Average Female

Cobb County, Georgia Language

Cobb County, Georgia Language by Age

Cobb County, Georgia Language

78.82% of Cobb County, Georgia residents speak only English, while 21.18% speak other languages. The largest non-English language is Spanish, which is spoken by 11.98% of the population.

Cobb County, Georgia Poverty

Cobb County, Georgia Poverty by Race

Name Total In Poverty Poverty Rate
Black190,88329,35415.38%
White386,43227,3827.09%
Hispanic90,76222,51024.80%
Other33,4069,58228.68%
Asian36,3093,0578.42%
Multiple18,8872,31112.24%
Native1,4931359.04%
Islander43971.59%

11.64%

Overall Poverty Rate

10.79%

Male Poverty Rate

12.43%

Female Poverty Rate

Poverty in Cobb County, Georgia

The race most likely to be in poverty in Cobb County, Georgia is Other, with 28.68% below the poverty level.

The race least likely to be in poverty in Cobb County, Georgia is Islander, with 1.59% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.57%. Among those working part-time, it was 16.85%, and for those that did not work, the poverty rate was 17.89%.

Cobb County, Georgia Poverty Rate by Education

Name Poverty
Less Than High School25.29%
High School13.57%
Some College8.25%
Bachelors or Greater4.01%

Cobb County, Georgia Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed31.98%
Male Unemployed25.16%
Female Employed6.82%
Male Employed6.02%

Cobb County, Georgia Income

Cobb County, Georgia Income by Household Type

Name Median Mean
Households$68,818$92,028
Families$82,201$106,151
Married Families$100,259$123,728
Non Families$44,200$57,944

Cobb County, Georgia Marital Status

Cobb County, Georgia Marital Status

Marriage Rates

51.3%

Overall Marriage Rate

53.8%

Male Marriage Rate

49.0%

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 Over65, while the female age group most likely to be married is 55To64.

Cobb County, Georgia Marital Status by Race

Cobb County, Georgia Veterans

Cobb County, Georgia Veterans by War

43,499

Number of Veterans

38,298

Male Veterans

5,201

Female Veterans

Name Veterans
Vietnam14,619
First Gulf War11,536
Second Gulf War6,401
Korea3,312
World War II1,794

Cobb County, Georgia Veterans by Age

Name Veterans
35 to 5413,520
65 to 749,933
55 to 649,118
75+7,392
18 to 343,536

Cobb County, Georgia Veterans by Race

Name Veterans % of Total
White29,5878.51%
Black11,9558.51%
Hispanic1,8073.13%
2 or More8008.50%
Asian6012.15%
Other3101.48%
Indian15011.64%
Hawaiian9631.48%

Cobb County, Georgia Veterans by Education

5.28%

Veteran Poverty Rate

23.23%

Veteran Disability Rate

Cobb County, Georgia Employment Status

Cobb County, Georgia Employment by Age

70.9%

Labor Force Participation

66%

Employment Rate

6.8%

Unemployment Rate

Cobb County, Georgia Employment by Race

Cobb County, Georgia Employment by Education

Population of Cities in Cobb County, Georgia

City 2010 Census 2016 Estimated Growth Growth Rate
Roswell 883379459862617.09%
Marietta566286094143137.62%
Smyrna5137356664529110.30%
Kennesaw305753362730529.98%
Acworth204782241819409.47%
Powder Springs139381495610187.30%
Austell 664271394977.48%
Data Sources
  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