Rockingham County, NH Population by Age

The median age in Rockingham County, NH is 44.6, as per 2021 ACS 5-Year Estimates. Of the total population, 15.49% were under the age of 15, 17.03% aged 15 to 29, 49.42% aged 30 to 64, 16.26% aged 65 to 84, and 1.80% were 85 years of age and older.
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Updated Sep 17, 2023

Rockingham County, NH population age distribution

A complete breakdown of Rockingham County'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 14,232 4.55%
5 to 9 years 16,371 5.23%
10 to 14 years 17,833 5.7%
15 to 19 years 18,437 5.89%
20 to 24 years 16,714 5.34%
25 to 29 years 18,118 5.79%
30 to 34 years 19,108 6.11%
35 to 39 years 19,165 6.13%
40 to 44 years 17,973 5.75%
45 to 49 years 21,411 6.85%
50 to 54 years 24,657 7.88%
55 to 59 years 27,887 8.92%
60 to 64 years 24,371 7.79%
65 to 69 years 19,402 6.2%
70 to 74 years 16,004 5.12%
75 to 79 years 9,594 3.07%
80 to 84 years 5,851 1.87%
85 years and over 5,643 1.8%
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Rockingham County, NH population by age group

Key stats
83,587
Population under 25 years
74,364
Population aged 25-44
98,326
Population aged 45-64
56,494
Population aged 65+

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

The graph shows Rockingham County'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
Rockingham County, NH population by age group. The largest age group was 55-59 years with a poulation of 27,887 (8.92% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Rockingham County, NH was for the group of age 55-59 years with a population of 27,887 (8.92%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Rockingham County, NH was the 85+ years with a population of 5,643 (1.80%).

Rockingham County, NH population by age cohort

To better understand the age distribution of Rockingham County, NH'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 Rockingham County'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.
Rockingham County, NH 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 195,797 (62.60% 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 60,480 19.34%
18 to 64 years 195,797 62.6%
85 years and over 56,494 18.06%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Rockingham County's population under 18 was 19.34%, compared to the 22.51% nationwide.
  • Rockingham County's working population (between 18 and 64) was 62.60%, compared to 61.45% nationwide.
  • Rockingham County's elderly or the senior population (over 65 age) was 18.06% as compared to 16.04% nationwide.

Rockingham County, NH population pyramid

Population pyramid for Rockingham County, NH 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 Rockingham County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Rockingham County, NH, is 23.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rockingham County, NH, is 27.2.
  • Total dependency ratio for Rockingham County, NH is 50.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Rockingham County, NH is 3.7.
The graph shows Rockingham County'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.
Rockingham County, NH population pyramid i.e. Rockingham County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Rockingham County, NH's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 7,274 6,958 14,232
5 to 9 years 8,412 7,959 16,371
10 to 14 years 9,084 8,749 17,833
15 to 19 years 9,734 8,703 18,437
20 to 24 years 8,572 8,142 16,714
25 to 29 years 9,389 8,729 18,118
30 to 34 years 9,607 9,501 19,108
35 to 39 years 9,505 9,660 19,165
40 to 44 years 9,171 8,802 17,973
45 to 49 years 10,675 10,736 21,411
50 to 54 years 12,228 12,429 24,657
55 to 59 years 13,961 13,926 27,887
60 to 64 years 12,018 12,353 24,371
65 to 69 years 9,612 9,790 19,402
70 to 74 years 7,576 8,428 16,004
75 to 79 years 4,211 5,383 9,594
80 to 84 years 2,698 3,153 5,851
85 years and over 2,088 3,555 5,643
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Things to know

What is the population of Rockingham County, NH under 18?

Rockingham County's population under the age of 18 is 60,480, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.34% of the total resident population of Rockingham County, NH.

What is the aging population in Rockingham County, NH?

Rockingham County's population aged 65 years and above was 56,494. As per the U.S. Census Bureau's American Community Survey, this population is 18.06% of the entire population.

References

Datasets

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

Key observations

The largest age group in Rockingham County, NH was for the group of age 55-59 years with a population of 27,887 (8.92%), according to the 2021 American Community Survey. At the same time, the smallest age group in Rockingham County, NH was the 85+ years with a population of 5,643 (1.80%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Rockingham County, NH Age Cohorts Dataset: Children, Working Adults, and Seniors in Rockingham County - 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 Rockingham County 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 Rockingham County. 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.

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

Rockingham County, NH 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 Rockingham County, NH population pyramid, which represents the Rockingham County 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 Rockingham County, NH, is 23.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rockingham County, NH, is 27.2.
  • Total dependency ratio for Rockingham County, NH is 50.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Rockingham County, NH is 3.7.

Rockingham County 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 Rockingham County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Rockingham County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Rockingham County for the selected age group is shown in the following column.
  • Total Population: The total population of the Rockingham County 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 Rockingham County 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 team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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