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Hartford County, CT Population by Age

The median age in Hartford County, CT is 40.2, as per 2021 ACS 5-Year Estimates. Of the total population, 17.19% were under the age of 15, 19.38% aged 15 to 29, 46.43% aged 30 to 64, 14.42% aged 65 to 84, and 2.58% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Hartford County, CT population age distribution

A complete breakdown of Hartford 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 47,594 5.3%
5 to 9 years 50,497 5.62%
10 to 14 years 56,376 6.27%
15 to 19 years 58,581 6.52%
20 to 24 years 56,904 6.33%
25 to 29 years 58,657 6.53%
30 to 34 years 59,717 6.65%
35 to 39 years 58,702 6.53%
40 to 44 years 55,263 6.15%
45 to 49 years 56,282 6.26%
50 to 54 years 62,043 6.9%
55 to 59 years 65,035 7.24%
60 to 64 years 60,220 6.7%
65 to 69 years 49,380 5.49%
70 to 74 years 37,637 4.19%
75 to 79 years 24,843 2.76%
80 to 84 years 17,726 1.97%
85 years and over 23,179 2.58%
Exploring Hartford County's Diversity? Request Customized Data Now!

TABLE OF CONTENTS

Hartford County, CT population by age group

Key stats
269,952
Population under 25 years
232,339
Population aged 25-44
243,580
Population aged 45-64
152,765
Population aged 65+

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

The graph shows Hartford 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
Hartford County, CT population by age group. The largest age group was 55-59 years with a poulation of 65,035 (7.24% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Hartford County, CT was for the group of age 55-59 years with a population of 65,035 (7.24%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Hartford County, CT was the 80-84 years with a population of 17,726 (1.97%).

Hartford County, CT population by age cohort

To better understand the age distribution of Hartford County, CT'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 Hartford 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.
Hartford County, CT 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 556,123 (61.89% 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 189,748 21.12%
18 to 64 years 556,123 61.89%
85 years and over 152,765 17%
Exploring Hartford County's Diversity? Request Customized Data Now!

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

  • Hartford County's population under 18 was 21.12%, compared to the 22.51% nationwide.
  • Hartford County's working population (between 18 and 64) was 61.89%, compared to 61.45% nationwide.
  • Hartford County's elderly or the senior population (over 65 age) was 17.00% as compared to 16.04% nationwide.

Hartford County, CT population pyramid

Population pyramid for Hartford County, CT 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 Hartford County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Hartford County, CT, is 26.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Hartford County, CT, is 25.8.
  • Total dependency ratio for Hartford County, CT is 51.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Hartford County, CT is 3.9.
The graph shows Hartford 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.
Hartford County, CT population pyramid i.e. Hartford County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Hartford County, CT's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 24,372 23,222 47,594
5 to 9 years 25,407 25,090 50,497
10 to 14 years 28,744 27,632 56,376
15 to 19 years 30,060 28,521 58,581
20 to 24 years 29,137 27,767 56,904
25 to 29 years 30,252 28,405 58,657
30 to 34 years 30,291 29,426 59,717
35 to 39 years 29,005 29,697 58,702
40 to 44 years 27,487 27,776 55,263
45 to 49 years 27,356 28,926 56,282
50 to 54 years 30,321 31,722 62,043
55 to 59 years 32,271 32,764 65,035
60 to 64 years 28,368 31,852 60,220
65 to 69 years 23,510 25,870 49,380
70 to 74 years 16,546 21,091 37,637
75 to 79 years 10,552 14,291 24,843
80 to 84 years 7,380 10,346 17,726
85 years and over 7,906 15,273 23,179
Exploring Hartford County's Diversity? Request Customized Data Now!

Things to know

What is the population of Hartford County, CT under 18?

Hartford County's population under the age of 18 is 189,748, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.12% of the total resident population of Hartford County, CT.

What is the aging population in Hartford County, CT?

Hartford County's population aged 65 years and above was 152,765. As per the U.S. Census Bureau's American Community Survey, this population is 17.00% of the entire population.

References

Datasets

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

Key observations

The largest age group in Hartford County, CT was for the group of age 55-59 years with a population of 65,035 (7.24%), according to the 2021 American Community Survey. At the same time, the smallest age group in Hartford County, CT was the 80-84 years with a population of 17,726 (1.97%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Hartford County, CT Age Cohorts Dataset: Children, Working Adults, and Seniors in Hartford 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 Hartford 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 Hartford 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.

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

Hartford County, CT 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 Hartford County, CT population pyramid, which represents the Hartford 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 Hartford County, CT, is 26.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Hartford County, CT, is 25.8.
  • Total dependency ratio for Hartford County, CT is 51.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Hartford County, CT is 3.9.

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

Explore related topics

Hartford County, CT Demographics Hartford County, CT Population

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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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Collection 5 Resources