Philadelphia, PA Population by Age

The median age in Philadelphia, PA is 34.8, as per 2021 ACS 5-Year Estimates. Of the total population, 18.49% were under the age of 15, 22.64% aged 15 to 29, 45.15% aged 30 to 64, 12.03% aged 65 to 84, and 1.69% were 85 years of age and older.
Neilsberg Research Avatar
Updated Sep 17, 2023

Philadelphia, PA population age distribution

A complete breakdown of Philadelphia'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 102,394 6.41%
5 to 9 years 94,469 5.92%
10 to 14 years 98,353 6.16%
15 to 19 years 97,703 6.12%
20 to 24 years 108,990 6.83%
25 to 29 years 154,767 9.69%
30 to 34 years 147,166 9.22%
35 to 39 years 113,360 7.1%
40 to 44 years 93,259 5.84%
45 to 49 years 88,571 5.55%
50 to 54 years 92,110 5.77%
55 to 59 years 91,827 5.75%
60 to 64 years 94,711 5.93%
65 to 69 years 74,486 4.66%
70 to 74 years 55,372 3.47%
75 to 79 years 37,090 2.32%
80 to 84 years 25,217 1.58%
85 years and over 27,020 1.69%
Exploring Philadelphia's Diversity? Request Customized Data Now!

Philadelphia, PA population by age group

Key stats
501,909
Population under 25 years
508,552
Population aged 25-44
367,219
Population aged 45-64
219,185
Population aged 65+

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

The graph shows Philadelphia'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
Philadelphia, PA population by age group. The largest age group was 25-29 years with a poulation of 154,767 (9.69% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Philadelphia, PA was for the group of age 25-29 years with a population of 154,767 (9.69%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Philadelphia, PA was the 80-84 years with a population of 25,217 (1.58%).

Philadelphia, PA population by age cohort

To better understand the age distribution of Philadelphia, 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
The pie chart shows Philadelphia'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.
Philadelphia, PA 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 1,029,132 (64.45% 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 348,548 21.83%
18 to 64 years 1,029,132 64.45%
85 years and over 219,185 13.73%
Exploring Philadelphia's Diversity? Request Customized Data Now!

Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Philadelphia's population under 18 was 21.83%, compared to the 22.51% nationwide.
  • Philadelphia's working population (between 18 and 64) was 64.45%, compared to 61.45% nationwide.
  • Philadelphia's elderly or the senior population (over 65 age) was 13.73% as compared to 16.04% nationwide.

Philadelphia, PA population pyramid

Population pyramid for Philadelphia, 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 Philadelphia's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Philadelphia, PA, is 27.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Philadelphia, PA, is 20.2.
  • Total dependency ratio for Philadelphia, PA is 47.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Philadelphia, PA is 4.9.
The graph shows Philadelphia'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.
Philadelphia, PA population pyramid i.e. Philadelphia population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Philadelphia, PA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 52,350 50,044 102,394
5 to 9 years 47,781 46,688 94,469
10 to 14 years 50,386 47,967 98,353
15 to 19 years 48,874 48,829 97,703
20 to 24 years 53,399 55,591 108,990
25 to 29 years 74,310 80,457 154,767
30 to 34 years 71,404 75,762 147,166
35 to 39 years 54,307 59,053 113,360
40 to 44 years 44,925 48,334 93,259
45 to 49 years 42,365 46,206 88,571
50 to 54 years 43,932 48,178 92,110
55 to 59 years 43,563 48,264 91,827
60 to 64 years 42,802 51,909 94,711
65 to 69 years 32,985 41,501 74,486
70 to 74 years 23,526 31,846 55,372
75 to 79 years 15,054 22,036 37,090
80 to 84 years 9,104 16,113 25,217
85 years and over 8,552 18,468 27,020
Exploring Philadelphia's Diversity? Request Customized Data Now!

Things to know

What is the population of Philadelphia, PA under 18?

Philadelphia's population under the age of 18 is 348,548, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.83% of the total resident population of Philadelphia, PA.

What is the aging population in Philadelphia, PA?

Philadelphia's population aged 65 years and above was 219,185. As per the U.S. Census Bureau's American Community Survey, this population is 13.73% of the entire population.

References

Datasets

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

Key observations

The largest age group in Philadelphia, PA was for the group of age 25-29 years with a population of 154,767 (9.69%), according to the 2021 American Community Survey. At the same time, the smallest age group in Philadelphia, PA was the 80-84 years with a population of 25,217 (1.58%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Philadelphia, PA Age Cohorts Dataset: Children, Working Adults, and Seniors in Philadelphia - 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 Philadelphia 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 Philadelphia. 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.

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

Philadelphia, PA 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 Philadelphia, PA population pyramid, which represents the Philadelphia 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 Philadelphia, PA, is 27.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Philadelphia, PA, is 20.2.
  • Total dependency ratio for Philadelphia, PA is 47.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Philadelphia, PA is 4.9.

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

Explore more

Population of places that contain Philadelphia

About the author

Neilsberg Research Avatar
Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.