Oklahoma County, OK Population by Age

The median age in Oklahoma County, OK is 35.1, as per 2021 ACS 5-Year Estimates. Of the total population, 21.59% were under the age of 15, 20.80% aged 15 to 29, 43.90% aged 30 to 64, 12.25% aged 65 to 84, and 1.46% were 85 years of age and older.
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Updated Sep 17, 2023

Oklahoma County, OK population age distribution

A complete breakdown of Oklahoma 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 56,792 7.18%
5 to 9 years 55,665 7.04%
10 to 14 years 58,286 7.37%
15 to 19 years 51,512 6.51%
20 to 24 years 51,819 6.55%
25 to 29 years 61,203 7.74%
30 to 34 years 59,449 7.52%
35 to 39 years 55,384 7%
40 to 44 years 49,280 6.23%
45 to 49 years 45,481 5.75%
50 to 54 years 44,143 5.58%
55 to 59 years 48,024 6.07%
60 to 64 years 45,464 5.75%
65 to 69 years 36,460 4.61%
70 to 74 years 30,053 3.8%
75 to 79 years 17,092 2.16%
80 to 84 years 13,259 1.68%
85 years and over 11,572 1.46%
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Oklahoma County, OK population by age group

Key stats
274,074
Population under 25 years
225,316
Population aged 25-44
183,112
Population aged 45-64
108,436
Population aged 65+

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

The graph shows Oklahoma County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Oklahoma County, OK population by age group. The largest age group was 25-29 years with a poulation of 61,203 (7.74% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Oklahoma County, OK was for the group of age 25-29 years with a population of 61,203 (7.74%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Oklahoma County, OK was the 85+ years with a population of 11,572 (1.46%).

Oklahoma County, OK population by age cohort

To better understand the age distribution of Oklahoma County, OK'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
The pie chart shows Oklahoma County's population divided into segments, with each segment representing an age cohort. The area of each segment is in the same proportion of a circle as the population of the cohort is of the total population.
Oklahoma County, OK population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). The largest age group was 18 - 64 years with a poulation of 479,688 (60.65% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Age Group Population % of Total Population
Under 18 years 202,814 25.64%
18 to 64 years 479,688 60.65%
85 years and over 108,436 13.71%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Oklahoma County's population under 18 was 25.64%, compared to the 22.51% nationwide.
  • Oklahoma County's working population (between 18 and 64) was 60.65%, compared to 61.45% nationwide.
  • Oklahoma County's elderly or the senior population (over 65 age) was 13.71% as compared to 16.04% nationwide.

Oklahoma County, OK population pyramid

Population pyramid for Oklahoma County, OK 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 Oklahoma County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Oklahoma County, OK, is 33.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Oklahoma County, OK, is 21.2.
  • Total dependency ratio for Oklahoma County, OK is 54.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Oklahoma County, OK is 4.7.
The graph shows Oklahoma County's population across different age group and gender, with population on x-axis and population y-axis. The male population is plotted on the left in blue color whereas the female population is plotted on the right in pink color.
Oklahoma County, OK population pyramid i.e. Oklahoma County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Oklahoma County, OK's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 29,052 27,740 56,792
5 to 9 years 28,906 26,759 55,665
10 to 14 years 29,509 28,777 58,286
15 to 19 years 26,273 25,239 51,512
20 to 24 years 26,104 25,715 51,819
25 to 29 years 30,247 30,956 61,203
30 to 34 years 29,481 29,968 59,449
35 to 39 years 27,639 27,745 55,384
40 to 44 years 24,417 24,863 49,280
45 to 49 years 22,553 22,928 45,481
50 to 54 years 21,879 22,264 44,143
55 to 59 years 23,462 24,562 48,024
60 to 64 years 21,580 23,884 45,464
65 to 69 years 16,893 19,567 36,460
70 to 74 years 14,094 15,959 30,053
75 to 79 years 7,356 9,736 17,092
80 to 84 years 5,550 7,709 13,259
85 years and over 3,866 7,706 11,572
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Things to know

What is the population of Oklahoma County, OK under 18?

Oklahoma County's population under the age of 18 is 202,814, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 25.64% of the total resident population of Oklahoma County, OK.

What is the aging population in Oklahoma County, OK?

Oklahoma County's population aged 65 years and above was 108,436. As per the U.S. Census Bureau's American Community Survey, this population is 13.71% of the entire population.

References

Datasets

Explore datasets by year of publication.
2023
Oklahoma County, OK Age Group Population Dataset: A complete breakdown of Oklahoma County age demographics from 0 to 85 years, distributed across 18 age groups
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Oklahoma 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 Oklahoma County. The dataset can be utilized to understand the population distribution of Oklahoma County by age. For example, using this dataset, we can identify the largest age group in Oklahoma County.

Key observations

The largest age group in Oklahoma County, OK was for the group of age 25-29 years with a population of 61,203 (7.74%), according to the 2021 American Community Survey. At the same time, the smallest age group in Oklahoma County, OK was the 85+ years with a population of 11,572 (1.46%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Oklahoma County population by age group

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 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 Oklahoma County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Oklahoma 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 Oklahoma County Population by Age. You can refer the same here

Oklahoma County, OK Age Cohorts Dataset: Children, Working Adults, and Seniors in Oklahoma County - Population and Percentage Analysis
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Oklahoma 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 Oklahoma 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 $b3_v1 with a poulation of $b3_v2 ($b3_v3 of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Oklahoma County population by age cohort

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 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 Oklahoma County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Oklahoma County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Oklahoma 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 Oklahoma County Population by Age. You can refer the same here

Oklahoma County, OK Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Oklahoma County, OK population pyramid, which represents the Oklahoma County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey 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 Oklahoma County, OK, is 33.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Oklahoma County, OK, is 21.2.
  • Total dependency ratio for Oklahoma County, OK is 54.6.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Oklahoma County, OK is 4.7.

Oklahoma County population pyramid

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 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 Oklahoma County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Oklahoma County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Oklahoma County for the selected age group is shown in the following column.
  • Total Population: The total population of the Oklahoma 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 Oklahoma 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
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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