Cobb County, GA population age distributions
A complete breakdown of Cobb County's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 44,153 | 5.77% |
| 5 to 9 years | 48,864 | 6.38% |
| 10 to 14 years | 50,038 | 6.53% |
| 15 to 19 years | 52,754 | 6.89% |
| 20 to 24 years | 50,254 | 6.56% |
| 25 to 29 years | 55,395 | 7.23% |
| 30 to 34 years | 55,521 | 7.25% |
| 35 to 39 years | 56,607 | 7.39% |
| 40 to 44 years | 51,756 | 6.76% |
| 45 to 49 years | 53,955 | 7.05% |
| 50 to 54 years | 52,885 | 6.91% |
| 55 to 59 years | 50,241 | 6.56% |
| 60 to 64 years | 43,897 | 5.73% |
| 65 to 69 years | 35,322 | 4.61% |
| 70 to 74 years | 27,287 | 3.56% |
| 75 to 79 years | 17,283 | 2.26% |
| 80 to 84 years | 10,117 | 1.32% |
| 85 years and over | 9,484 | 1.24% |
TABLE OF CONTENTS
Cobb County, GA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Cobb County, GA population by age group.
The largest age group is 35 to 39 years with a population of 56,607 (7.39% of the total population).
The largest age group in Cobb County, GA was for the group of age 35 to 39 years with a population of 56,607 (7.39%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Cobb County, GA was the 85 years and over with a population of 9,484 (1.24%).
Cobb County, GA population by age cohort
To better understand the age distribution of Cobb County, GA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Cobb County, GA population by age cohort
The largest age group was 18 to 64 years with a population of 491,105 (64.13% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Cobb County 's population under 18 was 22.88%, compared to the 22.11% nationwide.
- Cobb County's working population (between 18 and 64) was 64.13%, compared to 61.36% nationwide.
- Cobb County's elderly or the senior population (over 65 age) was 12.99% as compared to 16.53% nationwide.
Cobb County, GA population pyramid
Population pyramid for Cobb County, GA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Cobb County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Cobb County, GA, is 27.3.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Cobb County, GA, is 19.0.
- Total dependency ratio for Cobb County, GA is 46.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Cobb County, GA is 5.3.
FIGURE 3
Cobb County, GA population pyramid
Cobb County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Cobb County, GA population pyramid
Here's the Cobb County, GA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 22,433 | 21,720 | 44,153 |
| 5 to 9 years | 25,105 | 23,759 | 48,864 |
| 10 to 14 years | 25,069 | 24,969 | 50,038 |
| 15 to 19 years | 26,674 | 26,080 | 52,754 |
| 20 to 24 years | 25,443 | 24,811 | 50,254 |
| 25 to 29 years | 27,691 | 27,704 | 55,395 |
| 30 to 34 years | 27,573 | 27,948 | 55,521 |
| 35 to 39 years | 27,910 | 28,697 | 56,607 |
| 40 to 44 years | 24,886 | 26,870 | 51,756 |
| 45 to 49 years | 26,175 | 27,780 | 53,955 |
| 50 to 54 years | 25,966 | 26,919 | 52,885 |
| 55 to 59 years | 23,899 | 26,342 | 50,241 |
| 60 to 64 years | 21,388 | 22,509 | 43,897 |
| 65 to 69 years | 16,155 | 19,167 | 35,322 |
| 70 to 74 years | 12,416 | 14,871 | 27,287 |
| 75 to 79 years | 7,785 | 9,498 | 17,283 |
| 80 to 84 years | 3,803 | 6,314 | 10,117 |
| 85 years and over | 3,411 | 6,073 | 9,484 |
Things to know
What is the population of Cobb County, GA under 18?
Cobb County's population under the age of 18 is 175,215, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.88% of the total resident population of Cobb County, GA.
What is the aging population in Cobb County, GA?
Cobb County's population aged 65 years and above was 99,493. As per the U.S. Census Bureau's American Community Survey, this population is 12.99% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates