St. Marys, PA Population by Age

The median age in St. Marys, PA is 50.5, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 14.73% were under the age of 15, 14.53% aged 15 to 29, 44.85% aged 30 to 64, 23.34% aged 65 to 84, and 2.57% were 85 years of age and older.
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Updated Jul 26, 2024

St. Marys, PA population age distributions

A complete breakdown of St. Marys'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 651 5.13%
5 to 9 years 642 5.06%
10 to 14 years 576 4.54%
15 to 19 years 553 4.36%
20 to 24 years 606 4.78%
25 to 29 years 684 5.39%
30 to 34 years 700 5.52%
35 to 39 years 739 5.82%
40 to 44 years 464 3.66%
45 to 49 years 648 5.11%
50 to 54 years 877 6.91%
55 to 59 years 1,150 9.06%
60 to 64 years 1,113 8.77%
65 to 69 years 810 6.38%
70 to 74 years 859 6.77%
75 to 79 years 831 6.55%
80 to 84 years 462 3.64%
85 years and over 326 2.57%
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St. Marys, PA population by age group

Key stats
3,028
Population under 25 years
2,587
Population aged 25-44
3,788
Population aged 45-64
3,288
Population aged 65+

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

FIGURE 1

St. Marys, PA population by age group.

The largest age group is 55 to 59 years with a population of 1,150 (9.06% of the total population).

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

The largest age group in St. Marys, PA was for the group of age 55 to 59 years with a population of 1,150 (9.06%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in St. Marys, PA was the 85 years and over with a population of 326 (2.57%).

St. Marys, PA population by age cohort

To better understand the age distribution of St. Marys, PA'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. Marys, PA population by age cohort

The largest age group was 18 to 64 years with a population of 7,203 (56.76% of the total population).

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

St. Marys, PA population by age cohort

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

Age Group Population % of Total Population
Under 18 years 2,200 17.34%
18 to 64 years 7,203 56.76%
65 years and over 3,288 25.91%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • St. Marys 's population under 18 was 17.34%, compared to the 22.11% nationwide.
  • St. Marys's working population (between 18 and 64) was 56.76%, compared to 61.36% nationwide.
  • St. Marys's elderly or the senior population (over 65 age) was 25.91% as compared to 16.53% nationwide.

St. Marys, PA population pyramid

Population pyramid for St. Marys, PA 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. Marys's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for St. Marys, PA, is 24.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Marys, PA, is 43.6.
  • Total dependency ratio for St. Marys, PA is 68.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for St. Marys, PA is 2.3.

FIGURE 3

St. Marys, PA population pyramid

St. Marys 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. Marys, PA population pyramid

Here's the St. Marys, PA's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 278 373 651
5 to 9 years 259 383 642
10 to 14 years 197 379 576
15 to 19 years 249 304 553
20 to 24 years 299 307 606
25 to 29 years 468 216 684
30 to 34 years 416 284 700
35 to 39 years 345 394 739
40 to 44 years 211 253 464
45 to 49 years 289 359 648
50 to 54 years 413 464 877
55 to 59 years 639 511 1,150
60 to 64 years 616 497 1,113
65 to 69 years 414 396 810
70 to 74 years 428 431 859
75 to 79 years 295 536 831
80 to 84 years 152 310 462
85 years and over 148 178 326
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Things to know

What is the population of St. Marys, PA under 18?

St. Marys's population under the age of 18 is 2,200, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 17.34% of the total resident population of St. Marys, PA.

What is the aging population in St. Marys, PA?

St. Marys's population aged 65 years and above was 3,288. As per the U.S. Census Bureau's American Community Survey, this population is 25.91% of the entire population.

References

Datasets

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

Key observations

The largest age group in St. Marys, PA was for the group of age 55 to 59 years years with a population of 1,150 (9.06%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in St. Marys, PA was the 85 years and over years with a population of 326 (2.57%). 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. Marys is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of St. Marys 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. Marys Population by Age. You can refer the same here

St. Marys, PA Age Cohorts Dataset: Children, Working Adults, and Seniors in St. Marys - 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. Marys 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. Marys. 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 7,203 (56.76% 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. Marys population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in St. Marys is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the St. Marys 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. Marys Population by Age. You can refer the same here

St. Marys, PA 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. Marys, PA population pyramid, which represents the St. Marys 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. Marys, PA, is 24.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Marys, PA, is 43.6.
  • Total dependency ratio for St. Marys, PA is 68.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for St. Marys, PA is 2.3.
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. Marys population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the St. Marys for the selected age group is shown in the following column.
  • Population (Female): The female population in the St. Marys for the selected age group is shown in the following column.
  • Total Population: The total population of the St. Marys 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. Marys 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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