Cobb County, GA Population

Overview

762,500

Total Population

37.1

Median age

51.30%

Female population %

94.9:100

Gender ratio (M:F)

35-39 years

Largest age group

46.3

Total dependency ratio

White

Largest racial group

101,183

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Cobb County's population is young compared to the rest of the country:

The median age in Cobb County is 37.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Cobb County's population under 18 was 23.42%, compared to the 22.51% nationwide.
Cobb County's elderly or the senior population (over 65 age) was 12.48% as compared to 16.04% nationwide.
Of the total population in Cobb County, 19.19% were under the age of 15, 20.39% aged 15 to 29, 47.94% aged 30 to 64, 11.29% aged 65 to 84, and 1.19% were 85 years of age and older.

There are 19,814 more females than males in Cobb County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.30% females and 48.70% males in Cobb County, GA.
The Cobb County, GA gender ratio is 94.9:100 i.e. 94.9 men to 100 women (0.949).
For male population, the largest age group is 35-39 years with a population of 27,756.
For the female population, the largest age group is 35-39 years with a population of 28,648.

Cobb County's population has become increasingly diverse:

Racial distribution of Cobb County population: 54.99% are White, 27.49% are Black or African American, 0.20% are American Indian and Alaska Native, 5.46% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 5.75% are some other race and 6.07% are multiracial.
Cobb County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 101,183 is Hispanic or Latino (of any race), and 661,317 (86.73% of the total population) is Non-Hispanic.
The largest racial group in Cobb County is White with a population of 419,267 (54.99% of the total population).

Cobb County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 771,952 in the year 2022
From 2000 to 2010, Cobb County's population increased by 77,174 (12.60%), as compared to the national growth of 9.63%.
From 2010 to 2020, Cobb County's population increased by 76,832 (11.14%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Cobb County's population was lowest in year 2000 at 612,368.