Gwinnett County, GA Population by Age

The median age in Gwinnett County, GA is 35.7, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 21.35% were under the age of 15, 21.05% aged 15 to 29, 46.95% aged 30 to 64, 9.76% aged 65 to 84, and 0.88% were 85 years of age and older.
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Updated Jul 26, 2024

Gwinnett County, GA population age distributions

A complete breakdown of Gwinnett 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 59,588 6.22%
5 to 9 years 67,859 7.08%
10 to 14 years 77,101 8.05%
15 to 19 years 74,861 7.81%
20 to 24 years 64,872 6.77%
25 to 29 years 61,948 6.47%
30 to 34 years 62,286 6.5%
35 to 39 years 66,888 6.98%
40 to 44 years 69,435 7.25%
45 to 49 years 69,973 7.3%
50 to 54 years 67,896 7.09%
55 to 59 years 62,346 6.51%
60 to 64 years 51,012 5.32%
65 to 69 years 35,890 3.75%
70 to 74 years 30,228 3.16%
75 to 79 years 16,700 1.74%
80 to 84 years 10,643 1.11%
85 years and over 8,451 0.88%
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Gwinnett County, GA population by age group

Key stats
344,281
Population under 25 years
260,557
Population aged 25-44
251,227
Population aged 45-64
101,912
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022

FIGURE 1

Gwinnett County, GA population by age group.

The largest age group is 10 to 14 years with a population of 77,101 (8.05% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

The largest age group in Gwinnett County, GA was for the group of age 10 to 14 years with a population of 77,101 (8.05%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Gwinnett County, GA was the 85 years and over with a population of 8,451 (0.88%).

Gwinnett County, GA population by age cohort

To better understand the age distribution of Gwinnett 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

Gwinnett County, GA population by age cohort

The largest age group was 18 to 64 years with a population of 603,679 (63.02% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Gwinnett County, GA population by age cohort

Here's the population for each of the three cohorts.

Age Group Population % of Total Population
Under 18 years 252,386 26.35%
18 to 64 years 603,679 63.02%
65 years and over 101,912 10.64%
Exploring Gwinnett County's Diversity? Request Customized Data Now!

Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Gwinnett County 's population under 18 was 26.35%, compared to the 22.11% nationwide.
  • Gwinnett County's working population (between 18 and 64) was 63.02%, compared to 61.36% nationwide.
  • Gwinnett County's elderly or the senior population (over 65 age) was 10.64% as compared to 16.53% nationwide.

Gwinnett County, GA population pyramid

Population pyramid for Gwinnett 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 Gwinnett County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Gwinnett County, GA, is 31.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Gwinnett County, GA, is 15.6.
  • Total dependency ratio for Gwinnett County, GA is 47.0.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Gwinnett County, GA is 6.4.

FIGURE 3

Gwinnett County, GA population pyramid

Gwinnett County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Gwinnett County, GA population pyramid

Here's the Gwinnett County, GA's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 30,302 29,286 59,588
5 to 9 years 35,080 32,779 67,859
10 to 14 years 38,336 38,765 77,101
15 to 19 years 38,131 36,730 74,861
20 to 24 years 32,977 31,895 64,872
25 to 29 years 30,875 31,073 61,948
30 to 34 years 30,515 31,771 62,286
35 to 39 years 32,961 33,927 66,888
40 to 44 years 33,094 36,341 69,435
45 to 49 years 34,046 35,927 69,973
50 to 54 years 33,561 34,335 67,896
55 to 59 years 31,218 31,128 62,346
60 to 64 years 24,352 26,660 51,012
65 to 69 years 15,902 19,988 35,890
70 to 74 years 14,570 15,658 30,228
75 to 79 years 7,068 9,632 16,700
80 to 84 years 4,689 5,954 10,643
85 years and over 2,990 5,461 8,451
Exploring Gwinnett County's Diversity? Request Customized Data Now!

Things to know

What is the population of Gwinnett County, GA under 18?

Gwinnett County's population under the age of 18 is 252,386, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.35% of the total resident population of Gwinnett County, GA.

What is the aging population in Gwinnett County, GA?

Gwinnett County's population aged 65 years and above was 101,912. As per the U.S. Census Bureau's American Community Survey, this population is 10.64% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Gwinnett County, GA Age Group Population Dataset: A Complete Breakdown of Gwinnett County Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Gwinnett County population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for Gwinnett County. The dataset can be utilized to understand the population distribution of Gwinnett County by age. For example, using this dataset, we can identify the largest age group in Gwinnett County.

Key observations

The largest age group in Gwinnett County, GA was for the group of age 10 to 14 years years with a population of 77,101 (8.05%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Gwinnett County, GA was the 85 years and over years with a population of 8,451 (0.88%). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group in consideration
  • Population: The population for the specific age group in the Gwinnett County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Gwinnett County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Gwinnett County Population by Age. You can refer the same here

Gwinnett County, GA Age Cohorts Dataset: Children, Working Adults, and Seniors in Gwinnett County - Population and Percentage Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Gwinnett County population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). It lists the population in each age cohort group along with its percentage relative to the total population of Gwinnett County. The dataset can be utilized to understand the population distribution across children, working population and senior population for dependency ratio, housing requirements, ageing, migration patterns etc.

Key observations

The largest age group was 18 to 64 years with a poulation of 603,679 (63.02% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Age cohorts:

  • Under 18 years
  • 18 to 64 years
  • 65 years and over

Variables / Data Columns

  • Age Group: This column displays the age cohort for the Gwinnett County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Gwinnett County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Gwinnett County is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Gwinnett County Population by Age. You can refer the same here

Gwinnett County, GA Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Gwinnett County, GA population pyramid, which represents the Gwinnett County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Gwinnett County, GA, is 31.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Gwinnett County, GA, is 15.6.
  • Total dependency ratio for Gwinnett County, GA is 47.0.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Gwinnett County, GA is 6.4.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group for the Gwinnett County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Gwinnett County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Gwinnett County for the selected age group is shown in the following column.
  • Total Population: The total population of the Gwinnett County for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Gwinnett County Population by Age. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

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Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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