Oakbrook Terrace, IL Population by Age

The median age in Oakbrook Terrace, IL is 34.4, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 11.47% were under the age of 15, 31.42% aged 15 to 29, 41.49% aged 30 to 64, 14.69% aged 65 to 84, and 0.93% were 85 years of age and older.
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Updated Jul 26, 2024

Oakbrook Terrace, IL population age distributions

A complete breakdown of Oakbrook Terrace'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 204 7.57%
5 to 9 years 48 1.78%
10 to 14 years 57 2.12%
15 to 19 years 40 1.48%
20 to 24 years 366 13.58%
25 to 29 years 441 16.36%
30 to 34 years 225 8.35%
35 to 39 years 257 9.54%
40 to 44 years 76 2.82%
45 to 49 years 113 4.19%
50 to 54 years 202 7.5%
55 to 59 years 101 3.75%
60 to 64 years 144 5.34%
65 to 69 years 156 5.79%
70 to 74 years 79 2.93%
75 to 79 years 124 4.6%
80 to 84 years 37 1.37%
85 years and over 25 0.93%
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Oakbrook Terrace, IL population by age group

Key stats
715
Population under 25 years
999
Population aged 25-44
560
Population aged 45-64
421
Population aged 65+

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

FIGURE 1

Oakbrook Terrace, IL population by age group.

The largest age group is 25 to 29 years with a population of 441 (16.36% of the total population).

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

The largest age group in Oakbrook Terrace, IL was for the group of age 25 to 29 years with a population of 441 (16.36%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Oakbrook Terrace, IL was the 85 years and over with a population of 25 (0.93%).

Oakbrook Terrace, IL population by age cohort

To better understand the age distribution of Oakbrook Terrace, IL'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

Oakbrook Terrace, IL population by age cohort

The largest age group was 18 to 64 years with a population of 1,945 (72.17% of the total population).

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

Oakbrook Terrace, IL population by age cohort

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

Age Group Population % of Total Population
Under 18 years 329 12.21%
18 to 64 years 1,945 72.17%
65 years and over 421 15.62%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Oakbrook Terrace 's population under 18 was 12.21%, compared to the 22.11% nationwide.
  • Oakbrook Terrace's working population (between 18 and 64) was 72.17%, compared to 61.36% nationwide.
  • Oakbrook Terrace's elderly or the senior population (over 65 age) was 15.62% as compared to 16.53% nationwide.

Oakbrook Terrace, IL population pyramid

Population pyramid for Oakbrook Terrace, IL 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 Oakbrook Terrace's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Oakbrook Terrace, IL, is 15.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Oakbrook Terrace, IL, is 21.4.
  • Total dependency ratio for Oakbrook Terrace, IL is 37.2.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Oakbrook Terrace, IL is 4.7.

FIGURE 3

Oakbrook Terrace, IL population pyramid

Oakbrook Terrace 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.

Oakbrook Terrace, IL population pyramid

Here's the Oakbrook Terrace, IL's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 116 88 204
5 to 9 years 35 13 48
10 to 14 years 38 19 57
15 to 19 years 25 15 40
20 to 24 years 183 183 366
25 to 29 years 223 218 441
30 to 34 years 99 126 225
35 to 39 years 143 114 257
40 to 44 years 46 30 76
45 to 49 years 34 79 113
50 to 54 years 85 117 202
55 to 59 years 63 38 101
60 to 64 years 71 73 144
65 to 69 years 33 123 156
70 to 74 years 46 33 79
75 to 79 years 45 79 124
80 to 84 years 14 23 37
85 years and over 17 8 25
Exploring Oakbrook Terrace's Diversity? Request Customized Data Now!

Things to know

What is the population of Oakbrook Terrace, IL under 18?

Oakbrook Terrace's population under the age of 18 is 329, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 12.21% of the total resident population of Oakbrook Terrace, IL.

What is the aging population in Oakbrook Terrace, IL?

Oakbrook Terrace's population aged 65 years and above was 421. As per the U.S. Census Bureau's American Community Survey, this population is 15.62% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Oakbrook Terrace, IL Age Group Population Dataset: A Complete Breakdown of Oakbrook Terrace 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 Oakbrook Terrace 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 Oakbrook Terrace. The dataset can be utilized to understand the population distribution of Oakbrook Terrace by age. For example, using this dataset, we can identify the largest age group in Oakbrook Terrace.

Key observations

The largest age group in Oakbrook Terrace, IL was for the group of age 25 to 29 years years with a population of 441 (16.36%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Oakbrook Terrace, IL was the 85 years and over years with a population of 25 (0.93%). 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 Oakbrook Terrace is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Oakbrook Terrace 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 Oakbrook Terrace Population by Age. You can refer the same here

Oakbrook Terrace, IL Age Cohorts Dataset: Children, Working Adults, and Seniors in Oakbrook Terrace - 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 Oakbrook Terrace 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 Oakbrook Terrace. 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 1,945 (72.17% 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 Oakbrook Terrace population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Oakbrook Terrace is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Oakbrook Terrace 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 Oakbrook Terrace Population by Age. You can refer the same here

Oakbrook Terrace, IL 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 Oakbrook Terrace, IL population pyramid, which represents the Oakbrook Terrace 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 Oakbrook Terrace, IL, is 15.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Oakbrook Terrace, IL, is 21.4.
  • Total dependency ratio for Oakbrook Terrace, IL is 37.2.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Oakbrook Terrace, IL is 4.7.
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 Oakbrook Terrace population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Oakbrook Terrace for the selected age group is shown in the following column.
  • Population (Female): The female population in the Oakbrook Terrace for the selected age group is shown in the following column.
  • Total Population: The total population of the Oakbrook Terrace 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 Oakbrook Terrace 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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