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Harris County, TX Population by Age

The median age in Harris County, TX is 33.9, as per 2021 ACS 5-Year Estimates. Of the total population, 22.30% were under the age of 15, 21.45% aged 15 to 29, 45.62% aged 30 to 64, 9.59% aged 65 to 84, and 1.04% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Harris County, TX population age distribution

A complete breakdown of Harris 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 341,863 7.28%
5 to 9 years 342,669 7.29%
10 to 14 years 363,197 7.73%
15 to 19 years 328,709 7%
20 to 24 years 311,063 6.62%
25 to 29 years 368,089 7.84%
30 to 34 years 370,765 7.89%
35 to 39 years 356,793 7.59%
40 to 44 years 322,353 6.86%
45 to 49 years 306,009 6.51%
50 to 54 years 280,913 5.98%
55 to 59 years 263,591 5.61%
60 to 64 years 242,665 5.17%
65 to 69 years 185,262 3.94%
70 to 74 years 134,089 2.85%
75 to 79 years 81,705 1.74%
80 to 84 years 49,415 1.05%
85 years and over 48,807 1.04%
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TABLE OF CONTENTS

Harris County, TX population by age group

Key stats
1,687,501
Population under 25 years
1,418,000
Population aged 25-44
1,093,178
Population aged 45-64
499,278
Population aged 65+

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

The graph shows Harris 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
Harris County, TX population by age group. The largest age group was 30-34 years with a poulation of 370,765 (7.89% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Harris County, TX was for the group of age 30-34 years with a population of 370,765 (7.89%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Harris County, TX was the 85+ years with a population of 48,807 (1.04%).

Harris County, TX population by age cohort

To better understand the age distribution of Harris County, TX'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 Harris 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.
Harris County, TX 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 2,943,798 (62.66% 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 1,254,881 26.71%
18 to 64 years 2,943,798 62.66%
85 years and over 499,278 10.63%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Harris County's population under 18 was 26.71%, compared to the 22.51% nationwide.
  • Harris County's working population (between 18 and 64) was 62.66%, compared to 61.45% nationwide.
  • Harris County's elderly or the senior population (over 65 age) was 10.63% as compared to 16.04% nationwide.

Harris County, TX population pyramid

Population pyramid for Harris County, TX 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 Harris County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Harris County, TX, is 33.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Harris County, TX, is 15.8.
  • Total dependency ratio for Harris County, TX is 49.1.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Harris County, TX is 6.3.
The graph shows Harris 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.
Harris County, TX population pyramid i.e. Harris County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Harris County, TX's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 173,948 167,915 341,863
5 to 9 years 176,012 166,657 342,669
10 to 14 years 183,410 179,787 363,197
15 to 19 years 168,691 160,018 328,709
20 to 24 years 156,781 154,282 311,063
25 to 29 years 184,137 183,952 368,089
30 to 34 years 187,529 183,236 370,765
35 to 39 years 180,902 175,891 356,793
40 to 44 years 163,443 158,910 322,353
45 to 49 years 153,140 152,869 306,009
50 to 54 years 140,312 140,601 280,913
55 to 59 years 131,455 132,136 263,591
60 to 64 years 117,881 124,784 242,665
65 to 69 years 88,497 96,765 185,262
70 to 74 years 61,292 72,797 134,089
75 to 79 years 36,991 44,714 81,705
80 to 84 years 20,124 29,291 49,415
85 years and over 16,893 31,914 48,807
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Things to know

What is the population of Harris County, TX under 18?

Harris County's population under the age of 18 is 1,254,881, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.71% of the total resident population of Harris County, TX.

What is the aging population in Harris County, TX?

Harris County's population aged 65 years and above was 499,278. As per the U.S. Census Bureau's American Community Survey, this population is 10.63% of the entire population.

References

Datasets

Harris County, TX Age Group Population Dataset: A complete breakdown of Harris County age demographics from 0 to 85 years, distributed across 18 age groups
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Harris County, TX was for the group of age 30-34 years with a population of 370,765 (7.89%), according to the 2021 American Community Survey. At the same time, the smallest age group in Harris County, TX was the 85+ years with a population of 48,807 (1.04%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Harris County, TX Age Cohorts Dataset: Children, Working Adults, and Seniors in Harris County - Population and Percentage Analysis
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Harris 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 Harris 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.

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

Harris County, TX Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Harris County, TX population pyramid, which represents the Harris 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 Harris County, TX, is 33.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Harris County, TX, is 15.8.
  • Total dependency ratio for Harris County, TX is 49.1.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Harris County, TX is 6.3.

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

Explore related topics

Harris County, TX Demographics Harris County, TX 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