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Greenwich township, Cumberland County, New Jersey Population by Age

The median age in Greenwich township, Cumberland County, New Jersey is 49.5, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 12.36% were under the age of 15, 14.53% aged 15 to 29, 45.51% aged 30 to 64, 25.54% aged 65 to 84, and 2.04% were 85 years of age and older.
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By Neilsberg Research
Updated Feb 22, 2025

Greenwich township, Cumberland County, New Jersey population age distributions

A complete breakdown of Greenwich 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 18 2.45%
5 to 9 years 28 3.8%
10 to 14 years 45 6.11%
15 to 19 years 34 4.62%
20 to 24 years 57 7.74%
25 to 29 years 16 2.17%
30 to 34 years 25 3.4%
35 to 39 years 26 3.53%
40 to 44 years 51 6.93%
45 to 49 years 82 11.14%
50 to 54 years 43 5.84%
55 to 59 years 68 9.24%
60 to 64 years 40 5.43%
65 to 69 years 58 7.88%
70 to 74 years 86 11.68%
75 to 79 years 29 3.94%
80 to 84 years 15 2.04%
85 years and over 15 2.04%
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Greenwich township, Cumberland County, New Jersey population by age group

Key stats
182
Population under 25 years
118
Population aged 25-44
233
Population aged 45-64
203
Population aged 65+

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

FIGURE 1

Greenwich township, Cumberland County, New Jersey population by age group.

The largest age group is 70 to 74 years with a population of 86 (11.68% 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 Greenwich township, Cumberland County, New Jersey was for the group of age 70 to 74 years with a population of 86 (11.68%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Greenwich township, Cumberland County, New Jersey was the 80 to 84 years with a population of 15 (2.04%).

Greenwich township, Cumberland County, New Jersey population by age cohort

To better understand the age distribution of Greenwich township, Cumberland County, New Jersey'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

Greenwich township, Cumberland County, New Jersey population by age cohort

The largest age group was 18 to 64 years with a population of 417 (56.66% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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Greenwich township, Cumberland County, New Jersey population by age cohort

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

Age Group Population % of Total Population
Under 18 years 116 15.76%
18 to 64 years 417 56.66%
65 years and over 203 27.58%
Exploring Greenwich 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:

  • Greenwich township 's population under 18 was 15.76%, compared to the 22.16% nationwide.
  • Greenwich township's working population (between 18 and 64) was 56.66%, compared to 61% nationwide.
  • Greenwich township's elderly or the senior population (over 65 age) was 27.58% as compared to 16.84% nationwide.

Greenwich township, Cumberland County, New Jersey population pyramid

Population pyramid for Greenwich township, Cumberland County, New Jersey 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 Greenwich township's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Greenwich township, Cumberland County, New Jersey, is 20.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Greenwich township, Cumberland County, New Jersey, is 45.9.
  • Total dependency ratio for Greenwich township, Cumberland County, New Jersey is 66.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Greenwich township, Cumberland County, New Jersey is 2.2.

FIGURE 3

Greenwich township, Cumberland County, New Jersey population pyramid

Greenwich 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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Greenwich township, Cumberland County, New Jersey population pyramid

Here's the Greenwich township, Cumberland County, New Jersey's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 15 3 18
5 to 9 years 22 6 28
10 to 14 years 32 13 45
15 to 19 years 15 19 34
20 to 24 years 24 33 57
25 to 29 years 9 7 16
30 to 34 years 11 14 25
35 to 39 years 8 18 26
40 to 44 years 31 20 51
45 to 49 years 55 27 82
50 to 54 years 16 27 43
55 to 59 years 34 34 68
60 to 64 years 20 20 40
65 to 69 years 46 12 58
70 to 74 years 43 43 86
75 to 79 years 15 14 29
80 to 84 years 9 6 15
85 years and over 5 10 15
Exploring Greenwich township's Diversity? Request Customized Data Now!

Things to know

What is the population of Greenwich township, Cumberland County, New Jersey under 18?

Greenwich township's population under the age of 18 is 116, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 15.76% of the total resident population of Greenwich township, Cumberland County, New Jersey.

What is the aging population in Greenwich township, Cumberland County, New Jersey?

Greenwich township's population aged 65 years and above was 203. As per the U.S. Census Bureau's American Community Survey, this population is 27.58% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
Greenwich township, Cumberland County, New Jersey Age Group Population Dataset: A Complete Breakdown of Greenwich 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 Greenwich 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 Greenwich township. The dataset can be utilized to understand the population distribution of Greenwich township by age. For example, using this dataset, we can identify the largest age group in Greenwich township.

Key observations

The largest age group in Greenwich township, Cumberland County, New Jersey was for the group of age 70 to 74 years years with a population of 86 (11.68%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Greenwich township, Cumberland County, New Jersey was the 80 to 84 years years with a population of 15 (2.04%). 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 Greenwich township is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Greenwich 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 Greenwich township Population by Age. You can refer the same here

Greenwich township, Cumberland County, New Jersey Age Cohorts Dataset: Children, Working Adults, and Seniors in Greenwich 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 Greenwich 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 Greenwich 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 417 (56.66% 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 Greenwich township population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Greenwich township is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Greenwich 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 Greenwich township Population by Age. You can refer the same here

Greenwich township, Cumberland County, New Jersey 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 Greenwich township, Cumberland County, New Jersey population pyramid, which represents the Greenwich 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 Greenwich township, Cumberland County, New Jersey, is 20.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Greenwich township, Cumberland County, New Jersey, is 45.9.
  • Total dependency ratio for Greenwich township, Cumberland County, New Jersey is 66.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Greenwich township, Cumberland County, New Jersey is 2.2.
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 Greenwich township population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Greenwich township for the selected age group is shown in the following column.
  • Population (Female): The female population in the Greenwich township for the selected age group is shown in the following column.
  • Total Population: The total population of the Greenwich 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 Greenwich 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

Greenwich township, Cumberland County, New Jersey Demographics Greenwich township, Cumberland County, New Jersey Population

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Collection 5 Resources