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Oliver township, Mifflin County, Pennsylvania Population by Age

The median age in Oliver township, Mifflin County, Pennsylvania is 51.3, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 16.75% were under the age of 15, 11.71% aged 15 to 29, 43.89% aged 30 to 64, 24.86% aged 65 to 84, and 2.80% were 85 years of age and older.
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By Neilsberg Research
Updated Feb 22, 2025

Oliver township, Mifflin County, Pennsylvania population age distributions

A complete breakdown of Oliver township'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 117 5.55%
5 to 9 years 141 6.69%
10 to 14 years 95 4.51%
15 to 19 years 45 2.13%
20 to 24 years 106 5.03%
25 to 29 years 96 4.55%
30 to 34 years 146 6.93%
35 to 39 years 70 3.32%
40 to 44 years 38 1.8%
45 to 49 years 142 6.74%
50 to 54 years 195 9.25%
55 to 59 years 193 9.16%
60 to 64 years 141 6.69%
65 to 69 years 98 4.65%
70 to 74 years 126 5.98%
75 to 79 years 187 8.87%
80 to 84 years 113 5.36%
85 years and over 59 2.8%
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Oliver township, Mifflin County, Pennsylvania population by age group

Key stats
504
Population under 25 years
350
Population aged 25-44
671
Population aged 45-64
583
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023

FIGURE 1

Oliver township, Mifflin County, Pennsylvania population by age group.

The largest age group is 50 to 54 years with a population of 195 (9.25% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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The largest age group in Oliver township, Mifflin County, Pennsylvania was for the group of age 50 to 54 years with a population of 195 (9.25%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Oliver township, Mifflin County, Pennsylvania was the 40 to 44 years with a population of 38 (1.80%).

Oliver township, Mifflin County, Pennsylvania population by age cohort

To better understand the age distribution of Oliver township, Mifflin County, Pennsylvania'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

Oliver township, Mifflin County, Pennsylvania population by age cohort

The largest age group was 18 to 64 years with a population of 1,140 (54.08% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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Oliver township, Mifflin County, Pennsylvania population by age cohort

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

Age Group Population % of Total Population
Under 18 years 385 18.26%
18 to 64 years 1,140 54.08%
65 years and over 583 27.66%
Exploring Oliver township's Diversity? Request Customized Data Now!

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

  • Oliver township 's population under 18 was 18.26%, compared to the 22.16% nationwide.
  • Oliver township's working population (between 18 and 64) was 54.08%, compared to 61% nationwide.
  • Oliver township's elderly or the senior population (over 65 age) was 27.66% as compared to 16.84% nationwide.

Oliver township, Mifflin County, Pennsylvania population pyramid

Population pyramid for Oliver township, Mifflin County, Pennsylvania 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 Oliver township's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Oliver township, Mifflin County, Pennsylvania, is 30.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Oliver township, Mifflin County, Pennsylvania, is 49.7.
  • Total dependency ratio for Oliver township, Mifflin County, Pennsylvania is 79.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Oliver township, Mifflin County, Pennsylvania is 2.0.

FIGURE 3

Oliver township, Mifflin County, Pennsylvania population pyramid

Oliver township 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) 2019-2023 5-Year Estimates.
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Oliver township, Mifflin County, Pennsylvania population pyramid

Here's the Oliver township, Mifflin County, Pennsylvania's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 52 65 117
5 to 9 years 61 80 141
10 to 14 years 46 49 95
15 to 19 years 40 5 45
20 to 24 years 27 79 106
25 to 29 years 63 33 96
30 to 34 years 91 55 146
35 to 39 years 32 38 70
40 to 44 years 16 22 38
45 to 49 years 47 95 142
50 to 54 years 121 74 195
55 to 59 years 120 73 193
60 to 64 years 59 82 141
65 to 69 years 50 48 98
70 to 74 years 65 61 126
75 to 79 years 86 101 187
80 to 84 years 35 78 113
85 years and over 25 34 59
Exploring Oliver township's Diversity? Request Customized Data Now!

Things to know

What is the population of Oliver township, Mifflin County, Pennsylvania under 18?

Oliver township's population under the age of 18 is 385, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.26% of the total resident population of Oliver township, Mifflin County, Pennsylvania.

What is the aging population in Oliver township, Mifflin County, Pennsylvania?

Oliver township's population aged 65 years and above was 583. As per the U.S. Census Bureau's American Community Survey, this population is 27.66% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
Oliver township, Mifflin County, Pennsylvania Age Group Population Dataset: A Complete Breakdown of Oliver township Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the Oliver township 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 Oliver township. The dataset can be utilized to understand the population distribution of Oliver township by age. For example, using this dataset, we can identify the largest age group in Oliver township.

Key observations

The largest age group in Oliver township, Mifflin County, Pennsylvania was for the group of age 50 to 54 years years with a population of 195 (9.25%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Oliver township, Mifflin County, Pennsylvania was the 40 to 44 years years with a population of 38 (1.80%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

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

Oliver township, Mifflin County, Pennsylvania Age Cohorts Dataset: Children, Working Adults, and Seniors in Oliver township - Population and Percentage Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the Oliver township 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 Oliver township. 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 1,140 (54.08% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Oliver township population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Oliver township is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Oliver township 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 Oliver township Population by Age. You can refer the same here

Oliver township, Mifflin County, Pennsylvania Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Oliver township, Mifflin County, Pennsylvania population pyramid, which represents the Oliver township 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 Oliver township, Mifflin County, Pennsylvania, is 30.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Oliver township, Mifflin County, Pennsylvania, is 49.7.
  • Total dependency ratio for Oliver township, Mifflin County, Pennsylvania is 79.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Oliver township, Mifflin County, Pennsylvania is 2.0.
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 Oliver township population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Oliver township for the selected age group is shown in the following column.
  • Population (Female): The female population in the Oliver township for the selected age group is shown in the following column.
  • Total Population: The total population of the Oliver township 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 Oliver township 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 related topics

Oliver township, Mifflin County, Pennsylvania Demographics Oliver township, Mifflin County, Pennsylvania Population

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Collection 5 Resources