Rocky Hill, NJ Population by Age

The median age in Rocky Hill, NJ is 47.0, as per 2021 ACS 5-Year Estimates. Of the total population, 17.15% were under the age of 15, 15.82% aged 15 to 29, 48.27% aged 30 to 64, 17.15% aged 65 to 84, and 1.60% were 85 years of age and older.
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Updated Sep 17, 2023

Rocky Hill, NJ population age distribution

A complete breakdown of Rocky Hill'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 43 5.72%
5 to 9 years 46 6.12%
10 to 14 years 40 5.32%
15 to 19 years 49 6.52%
20 to 24 years 45 5.98%
25 to 29 years 25 3.32%
30 to 34 years 22 2.93%
35 to 39 years 48 6.38%
40 to 44 years 48 6.38%
45 to 49 years 25 3.32%
50 to 54 years 34 4.52%
55 to 59 years 88 11.7%
60 to 64 years 98 13.03%
65 to 69 years 64 8.51%
70 to 74 years 27 3.59%
75 to 79 years 16 2.13%
80 to 84 years 22 2.93%
85 years and over 12 1.6%
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Rocky Hill, NJ population by age group

Key stats
223
Population under 25 years
143
Population aged 25-44
245
Population aged 45-64
141
Population aged 65+

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

The graph shows Rocky Hill'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
Rocky Hill, NJ population by age group. The largest age group was 60-64 years with a poulation of 98 (13.03% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Rocky Hill, NJ was for the group of age 60-64 years with a population of 98 (13.03%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Rocky Hill, NJ was the 85+ years with a population of 12 (1.60%).

Rocky Hill, NJ population by age cohort

To better understand the age distribution of Rocky Hill, NJ'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 Rocky Hill'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.
Rocky Hill, NJ 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 462 (61.44% 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 149 19.81%
18 to 64 years 462 61.44%
85 years and over 141 18.75%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Rocky Hill's population under 18 was 19.81%, compared to the 22.51% nationwide.
  • Rocky Hill's working population (between 18 and 64) was 61.44%, compared to 61.45% nationwide.
  • Rocky Hill's elderly or the senior population (over 65 age) was 18.75% as compared to 16.04% nationwide.

Rocky Hill, NJ population pyramid

Population pyramid for Rocky Hill, NJ 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 Rocky Hill's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Rocky Hill, NJ, is 26.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rocky Hill, NJ, is 29.3.
  • Total dependency ratio for Rocky Hill, NJ is 56.0.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Rocky Hill, NJ is 3.4.
The graph shows Rocky Hill'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.
Rocky Hill, NJ population pyramid i.e. Rocky Hill population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Rocky Hill, NJ's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 24 19 43
5 to 9 years 30 16 46
10 to 14 years 30 10 40
15 to 19 years 20 29 49
20 to 24 years 31 14 45
25 to 29 years 12 13 25
30 to 34 years 11 11 22
35 to 39 years 27 21 48
40 to 44 years 22 26 48
45 to 49 years 18 7 25
50 to 54 years 18 16 34
55 to 59 years 36 52 88
60 to 64 years 51 47 98
65 to 69 years 29 35 64
70 to 74 years 22 5 27
75 to 79 years 2 14 16
80 to 84 years 18 4 22
85 years and over 5 7 12
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Things to know

What is the population of Rocky Hill, NJ under 18?

Rocky Hill's population under the age of 18 is 149, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.81% of the total resident population of Rocky Hill, NJ.

What is the aging population in Rocky Hill, NJ?

Rocky Hill's population aged 65 years and above was 141. As per the U.S. Census Bureau's American Community Survey, this population is 18.75% of the entire population.

References

Datasets

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

Key observations

The largest age group in Rocky Hill, NJ was for the group of age 60-64 years with a population of 98 (13.03%), according to the 2021 American Community Survey. At the same time, the smallest age group in Rocky Hill, NJ was the 85+ years with a population of 12 (1.60%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Rocky Hill, NJ Age Cohorts Dataset: Children, Working Adults, and Seniors in Rocky Hill - 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 Rocky Hill 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 Rocky Hill. 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.

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

Rocky Hill, NJ 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 Rocky Hill, NJ population pyramid, which represents the Rocky Hill 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 Rocky Hill, NJ, is 26.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rocky Hill, NJ, is 29.3.
  • Total dependency ratio for Rocky Hill, NJ is 56.0.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Rocky Hill, NJ is 3.4.

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

About the author

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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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