St. Louis city, MO Population by Age

The median age in St. Louis city, MO is 36.5, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 15.81% were under the age of 15, 22.01% aged 15 to 29, 47.72% aged 30 to 64, 12.78% aged 65 to 84, and 1.69% were 85 years of age and older.
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Updated Jul 26, 2024

St. Louis city, MO population age distributions

A complete breakdown of St. Louis city'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 17,609 5.91%
5 to 9 years 13,927 4.67%
10 to 14 years 15,577 5.23%
15 to 19 years 15,470 5.19%
20 to 24 years 19,803 6.64%
25 to 29 years 30,338 10.18%
30 to 34 years 28,931 9.71%
35 to 39 years 22,642 7.6%
40 to 44 years 18,778 6.3%
45 to 49 years 16,622 5.58%
50 to 54 years 16,913 5.68%
55 to 59 years 18,442 6.19%
60 to 64 years 19,843 6.66%
65 to 69 years 15,583 5.23%
70 to 74 years 11,806 3.96%
75 to 79 years 6,576 2.21%
80 to 84 years 4,113 1.38%
85 years and over 5,045 1.69%
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St. Louis city, MO population by age group

Key stats
82,386
Population under 25 years
100,689
Population aged 25-44
71,820
Population aged 45-64
43,123
Population aged 65+

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

FIGURE 1

St. Louis city, MO population by age group.

The largest age group is 25 to 29 years with a population of 30,338 (10.18% of the total population).

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

The largest age group in St. Louis city, MO was for the group of age 25 to 29 years with a population of 30,338 (10.18%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in St. Louis city, MO was the 80 to 84 years with a population of 4,113 (1.38%).

St. Louis city, MO population by age cohort

To better understand the age distribution of St. Louis city, MO'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

St. Louis city, MO population by age cohort

The largest age group was 18 to 64 years with a population of 199,705 (67.01% of the total population).

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

St. Louis city, MO population by age cohort

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

Age Group Population % of Total Population
Under 18 years 55,190 18.52%
18 to 64 years 199,705 67.01%
65 years and over 43,123 14.47%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • St. Louis city 's population under 18 was 18.52%, compared to the 22.11% nationwide.
  • St. Louis city's working population (between 18 and 64) was 67.01%, compared to 61.36% nationwide.
  • St. Louis city's elderly or the senior population (over 65 age) was 14.47% as compared to 16.53% nationwide.

St. Louis city, MO population pyramid

Population pyramid for St. Louis city, MO 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 St. Louis city's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for St. Louis city, MO, is 22.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Louis city, MO, is 20.8.
  • Total dependency ratio for St. Louis city, MO is 43.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for St. Louis city, MO is 4.8.

FIGURE 3

St. Louis city, MO population pyramid

St. Louis city 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.

St. Louis city, MO population pyramid

Here's the St. Louis city, MO's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 8,980 8,629 17,609
5 to 9 years 6,830 7,097 13,927
10 to 14 years 8,275 7,302 15,577
15 to 19 years 7,512 7,958 15,470
20 to 24 years 9,460 10,343 19,803
25 to 29 years 14,687 15,651 30,338
30 to 34 years 14,354 14,577 28,931
35 to 39 years 10,963 11,679 22,642
40 to 44 years 9,785 8,993 18,778
45 to 49 years 8,176 8,446 16,622
50 to 54 years 8,454 8,459 16,913
55 to 59 years 9,009 9,433 18,442
60 to 64 years 9,780 10,063 19,843
65 to 69 years 7,582 8,001 15,583
70 to 74 years 5,181 6,625 11,806
75 to 79 years 2,859 3,717 6,576
80 to 84 years 1,390 2,723 4,113
85 years and over 1,616 3,429 5,045
Exploring St. Louis city's Diversity? Request Customized Data Now!

Things to know

What is the population of St. Louis city, MO under 18?

St. Louis city's population under the age of 18 is 55,190, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.52% of the total resident population of St. Louis city, MO.

What is the aging population in St. Louis city, MO?

St. Louis city's population aged 65 years and above was 43,123. As per the U.S. Census Bureau's American Community Survey, this population is 14.47% of the entire population.

References

Datasets

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

Key observations

The largest age group in St. Louis city, MO was for the group of age 25 to 29 years years with a population of 30,338 (10.18%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in St. Louis city, MO was the 80 to 84 years years with a population of 4,113 (1.38%). 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 St. Louis city is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of St. Louis city 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 St. Louis city Population by Age. You can refer the same here

St. Louis city, MO Age Cohorts Dataset: Children, Working Adults, and Seniors in St. Louis city - 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 St. Louis city 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 St. Louis city. 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 199,705 (67.01% 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 St. Louis city population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in St. Louis city is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the St. Louis city 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 St. Louis city Population by Age. You can refer the same here

St. Louis city, MO 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 St. Louis city, MO population pyramid, which represents the St. Louis city 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 St. Louis city, MO, is 22.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Louis city, MO, is 20.8.
  • Total dependency ratio for St. Louis city, MO is 43.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for St. Louis city, MO is 4.8.
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 St. Louis city population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the St. Louis city for the selected age group is shown in the following column.
  • Population (Female): The female population in the St. Louis city for the selected age group is shown in the following column.
  • Total Population: The total population of the St. Louis city 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 St. Louis city 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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