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St. Tammany Parish, LA Population by Age

The median age in St. Tammany Parish, LA is 40.4, as per 2021 ACS 5-Year Estimates. Of the total population, 19.57% were under the age of 15, 17.32% aged 15 to 29, 46.04% aged 30 to 64, 15.30% aged 65 to 84, and 1.77% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

St. Tammany Parish, LA population age distribution

A complete breakdown of St. Tammany Parish'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 15,381 5.85%
5 to 9 years 16,622 6.32%
10 to 14 years 19,439 7.4%
15 to 19 years 17,507 6.66%
20 to 24 years 13,693 5.21%
25 to 29 years 14,313 5.45%
30 to 34 years 15,456 5.88%
35 to 39 years 17,516 6.67%
40 to 44 years 16,714 6.36%
45 to 49 years 16,665 6.34%
50 to 54 years 17,603 6.7%
55 to 59 years 19,352 7.36%
60 to 64 years 17,678 6.73%
65 to 69 years 14,805 5.63%
70 to 74 years 13,490 5.13%
75 to 79 years 7,475 2.84%
80 to 84 years 4,430 1.69%
85 years and over 4,660 1.77%
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TABLE OF CONTENTS

St. Tammany Parish, LA population by age group

Key stats
82,642
Population under 25 years
63,999
Population aged 25-44
71,298
Population aged 45-64
44,860
Population aged 65+

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

The graph shows St. Tammany Parish'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
St. Tammany Parish, LA population by age group. The largest age group was 10-14 years with a poulation of 19,439 (7.40% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in St. Tammany Parish, LA was for the group of age 10-14 years with a population of 19,439 (7.40%), according to the 2021 American Community Survey.

At the same time, the smallest age group in St. Tammany Parish, LA was the 80-84 years with a population of 4,430 (1.69%).

St. Tammany Parish, LA population by age cohort

To better understand the age distribution of St. Tammany Parish, LA'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 St. Tammany Parish'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.
St. Tammany Parish, LA 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 154,824 (58.91% 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 63,115 24.02%
18 to 64 years 154,824 58.91%
85 years and over 44,860 17.07%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • St. Tammany Parish's population under 18 was 24.02%, compared to the 22.51% nationwide.
  • St. Tammany Parish's working population (between 18 and 64) was 58.91%, compared to 61.45% nationwide.
  • St. Tammany Parish's elderly or the senior population (over 65 age) was 17.07% as compared to 16.04% nationwide.

St. Tammany Parish, LA population pyramid

Population pyramid for St. Tammany Parish, LA 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. Tammany Parish's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for St. Tammany Parish, LA, is 30.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Tammany Parish, LA, is 26.9.
  • Total dependency ratio for St. Tammany Parish, LA is 57.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for St. Tammany Parish, LA is 3.7.
The graph shows St. Tammany Parish'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.
St. Tammany Parish, LA population pyramid i.e. St. Tammany Parish population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the St. Tammany Parish, LA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 7,807 7,574 15,381
5 to 9 years 7,896 8,726 16,622
10 to 14 years 10,461 8,978 19,439
15 to 19 years 9,062 8,445 17,507
20 to 24 years 6,964 6,729 13,693
25 to 29 years 7,065 7,248 14,313
30 to 34 years 7,368 8,088 15,456
35 to 39 years 8,903 8,613 17,516
40 to 44 years 7,766 8,948 16,714
45 to 49 years 8,053 8,612 16,665
50 to 54 years 8,659 8,944 17,603
55 to 59 years 10,268 9,084 19,352
60 to 64 years 7,640 10,038 17,678
65 to 69 years 7,190 7,615 14,805
70 to 74 years 6,258 7,232 13,490
75 to 79 years 3,552 3,923 7,475
80 to 84 years 1,812 2,618 4,430
85 years and over 1,687 2,973 4,660
Exploring St. Tammany Parish's Diversity? Request Customized Data Now!

Things to know

What is the population of St. Tammany Parish, LA under 18?

St. Tammany Parish's population under the age of 18 is 63,115, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.02% of the total resident population of St. Tammany Parish, LA.

What is the aging population in St. Tammany Parish, LA?

St. Tammany Parish's population aged 65 years and above was 44,860. As per the U.S. Census Bureau's American Community Survey, this population is 17.07% of the entire population.

References

Datasets

Explore datasets by year of publication.
2023
St. Tammany Parish, LA Age Group Population Dataset: A complete breakdown of St. Tammany Parish 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 St. Tammany Parish 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. Tammany Parish. The dataset can be utilized to understand the population distribution of St. Tammany Parish by age. For example, using this dataset, we can identify the largest age group in St. Tammany Parish.

Key observations

The largest age group in St. Tammany Parish, LA was for the group of age 10-14 years with a population of 19,439 (7.40%), according to the 2021 American Community Survey. At the same time, the smallest age group in St. Tammany Parish, LA was the 80-84 years with a population of 4,430 (1.69%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

St. Tammany Parish 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 St. Tammany Parish is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of St. Tammany Parish 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. Tammany Parish Population by Age. You can refer the same here

St. Tammany Parish, LA Age Cohorts Dataset: Children, Working Adults, and Seniors in St. Tammany Parish - 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 St. Tammany Parish 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. Tammany Parish. 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.

St. Tammany Parish 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 St. Tammany Parish population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in St. Tammany Parish is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the St. Tammany Parish 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. Tammany Parish Population by Age. You can refer the same here

St. Tammany Parish, LA 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 St. Tammany Parish, LA population pyramid, which represents the St. Tammany Parish 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 St. Tammany Parish, LA, is 30.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Tammany Parish, LA, is 26.9.
  • Total dependency ratio for St. Tammany Parish, LA is 57.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for St. Tammany Parish, LA is 3.7.

St. Tammany Parish 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 St. Tammany Parish population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the St. Tammany Parish for the selected age group is shown in the following column.
  • Population (Female): The female population in the St. Tammany Parish for the selected age group is shown in the following column.
  • Total Population: The total population of the St. Tammany Parish 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. Tammany Parish 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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Collection 5 Resources