About this dataset

Context

The dataset tabulates the data for the St. Louis, MO population pyramid, which represents the St. Louis population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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, MO, is 22.8.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Louis, MO, is 21.5.
• Total dependency ratio for St. Louis, MO is 44.3.
• Potential support ratio, which is the number of youth (working age population) per elderly, for St. Louis, MO is 4.7.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 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 for the selected age group is shown in the following column.
• Population (Female): The female population in the St. Louis for the selected age group is shown in the following column.
• Total Population: The total population of the St. Louis 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 Population by Age. You can refer the same here

Historical dataset of population level and growth rate for the St. Louis metro area from 1950 to 2025.

St. Louis City, MO - Estimate, Median Age by Sex, Total Population (5-year estimate) in St. Louis city, MO was 36.60000 Years of Age in January of 2023, according to the United States Federal Reserve. Historically, St. Louis City, MO - Estimate, Median Age by Sex, Total Population (5-year estimate) in St. Louis city, MO reached a record high of 36.60000 in January of 2023 and a record low of 33.90000 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for St. Louis City, MO - Estimate, Median Age by Sex, Total Population (5-year estimate) in St. Louis city, MO - last updated from the United States Federal Reserve on July of 2025.

Resident Population in St. Louis City, MO was 279.69500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in St. Louis City, MO reached a record high of 622.23600 in January of 1970 and a record low of 279.69500 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in St. Louis City, MO - last updated from the United States Federal Reserve on July of 2025.

St. Louis City, MO - Population Estimate, Total, Hispanic or Latino (5-year estimate) in St. Louis city, MO was 15005.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, St. Louis City, MO - Population Estimate, Total, Hispanic or Latino (5-year estimate) in St. Louis city, MO reached a record high of 15005.00000 in January of 2023 and a record low of 10123.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for St. Louis City, MO - Population Estimate, Total, Hispanic or Latino (5-year estimate) in St. Louis city, MO - last updated from the United States Federal Reserve on July of 2025.

St. Louis City, MO - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in St. Louis city, MO was 125617.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, St. Louis City, MO - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in St. Louis city, MO reached a record high of 170928.00000 in January of 2009 and a record low of 125617.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for St. Louis City, MO - Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in St. Louis city, MO - last updated from the United States Federal Reserve on July of 2025.

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Overall, there is no significant difference between the numbers of men and women. The 5 to 9 years old age cohort exhibits the largest discrepancy with a difference of 10 people between the sexes. Furthermore, majority of the population is between the ages 15 to 19 years old, comprising 9.3 per cent of the population.

Graph and download economic data for Employment-Population Ratio (EMRATIO) from Jan 1948 to May 2025 about employment-population ratio, civilian, 16 years +, household survey, employment, population, and USA.

St. Louis City, MO - Percent of Population Below the Poverty Level (5-year estimate) in St. Louis city, MO was 19.80% in January of 2023, according to the United States Federal Reserve. Historically, St. Louis City, MO - Percent of Population Below the Poverty Level (5-year estimate) in St. Louis city, MO reached a record high of 27.80 in January of 2014 and a record low of 19.60 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for St. Louis City, MO - Percent of Population Below the Poverty Level (5-year estimate) in St. Louis city, MO - last updated from the United States Federal Reserve on July of 2025.

Graph and download economic data for Resident Population in Florida (FLPOP) from 1900 to 2024 about residents, FL, population, and USA.

Graph and download economic data for Population Growth for the United States (SPPOPGROWUSA) from 1961 to 2024 about population, rate, and USA.

Graph and download economic data for Infra-Annual Labor Statistics: Working-Age Population Total: From 15 to 64 Years for United States (LFWA64TTUSM647S) from Jan 1977 to Jun 2025 about working-age, 15 to 64 years, population, and USA.

Graph and download economic data for Resident Population in California (CAPOP) from 1900 to 2024 about residents, CA, population, and USA.

St. Louis City, MO - Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in St. Louis city, MO was 433.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, St. Louis City, MO - Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in St. Louis city, MO reached a record high of 864.00000 in January of 2009 and a record low of 433.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for St. Louis City, MO - Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in St. Louis city, MO - last updated from the United States Federal Reserve on July of 2025.

Graph and download economic data for Resident Population in Texas (TXPOP) from 1900 to 2024 about residents, TX, population, and USA.

Graph and download economic data for Total One Parent Families with Children under 18 Years Old (TTLOPFWCU) from 1950 to 2024 about 18 years +, family, child, household survey, and USA.

Resident Population in St. Louis County, MO was 992.92900 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in St. Louis County, MO reached a record high of 1018.01500 in January of 1997 and a record low of 947.00000 in January of 1972. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in St. Louis County, MO - last updated from the United States Federal Reserve on July of 2025.

Graph and download economic data for Employment-Population Ratio - 25-54 Yrs. (LNS12300060) from Jan 1948 to Jun 2025 about 25 to 64 years, employment-population ratio, employment, population, and USA.

St. Louis City, MO - Equifax Subprime Credit Population for St. Louis city, MO was 31.30% in January of 2025, according to the United States Federal Reserve. Historically, St. Louis City, MO - Equifax Subprime Credit Population for St. Louis city, MO reached a record high of 42.96 in April of 2004 and a record low of 29.57 in April of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for St. Louis City, MO - Equifax Subprime Credit Population for St. Louis city, MO - last updated from the United States Federal Reserve on July of 2025.