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Dallam County, TX Population by Age

The median age in Dallam County, TX is 30.4, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 27.69% were under the age of 15, 21.66% aged 15 to 29, 41.04% aged 30 to 64, 9% aged 65 to 84, and 0.60% were 85 years of age and older.
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By Neilsberg Research
Updated Feb 22, 2025

Dallam County, TX population age distributions

A complete breakdown of Dallam 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 692 9.64%
5 to 9 years 730 10.17%
10 to 14 years 566 7.88%
15 to 19 years 584 8.13%
20 to 24 years 212 2.95%
25 to 29 years 760 10.58%
30 to 34 years 213 2.97%
35 to 39 years 791 11.02%
40 to 44 years 322 4.48%
45 to 49 years 489 6.81%
50 to 54 years 321 4.47%
55 to 59 years 624 8.69%
60 to 64 years 187 2.6%
65 to 69 years 302 4.21%
70 to 74 years 158 2.2%
75 to 79 years 106 1.48%
80 to 84 years 80 1.11%
85 years and over 43 0.6%
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Dallam County, TX population by age group

Key stats
2,784
Population under 25 years
2,086
Population aged 25-44
1,621
Population aged 45-64
689
Population aged 65+

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

FIGURE 1

Dallam County, TX population by age group.

The largest age group is 35 to 39 years with a population of 791 (11.02% 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 Dallam County, TX was for the group of age 35 to 39 years with a population of 791 (11.02%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Dallam County, TX was the 85 years and over with a population of 43 (0.60%).

Dallam County, TX population by age cohort

To better understand the age distribution of Dallam 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

FIGURE 2

Dallam County, TX population by age cohort

The largest age group was 18 to 64 years with a population of 4,152 (57.83% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.
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Dallam County, TX population by age cohort

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

Age Group Population % of Total Population
Under 18 years 2,339 32.58%
18 to 64 years 4,152 57.83%
65 years and over 689 9.6%
Exploring Dallam 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:

  • Dallam County 's population under 18 was 32.58%, compared to the 22.16% nationwide.
  • Dallam County's working population (between 18 and 64) was 57.83%, compared to 61% nationwide.
  • Dallam County's elderly or the senior population (over 65 age) was 9.60% as compared to 16.84% nationwide.

Dallam County, TX population pyramid

Population pyramid for Dallam 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 Dallam County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Dallam County, TX, is 44.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Dallam County, TX, is 15.3.
  • Total dependency ratio for Dallam County, TX is 59.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Dallam County, TX is 6.5.

FIGURE 3

Dallam County, TX population pyramid

Dallam County 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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Dallam County, TX population pyramid

Here's the Dallam County, TX's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 355 337 692
5 to 9 years 457 273 730
10 to 14 years 224 342 566
15 to 19 years 288 296 584
20 to 24 years 35 177 212
25 to 29 years 520 240 760
30 to 34 years 107 106 213
35 to 39 years 366 425 791
40 to 44 years 222 100 322
45 to 49 years 302 187 489
50 to 54 years 146 175 321
55 to 59 years 386 238 624
60 to 64 years 28 159 187
65 to 69 years 160 142 302
70 to 74 years 105 53 158
75 to 79 years 56 50 106
80 to 84 years 30 50 80
85 years and over 32 11 43
Exploring Dallam County's Diversity? Request Customized Data Now!

Things to know

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

Dallam County's population under the age of 18 is 2,339, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 32.58% of the total resident population of Dallam County, TX.

What is the aging population in Dallam County, TX?

Dallam County's population aged 65 years and above was 689. As per the U.S. Census Bureau's American Community Survey, this population is 9.60% of the entire population.

References

Datasets

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

Key observations

The largest age group in Dallam County, TX was for the group of age 35 to 39 years years with a population of 791 (11.02%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Dallam County, TX was the 85 years and over years with a population of 43 (0.60%). 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 Dallam County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Dallam 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 Dallam County Population by Age. You can refer the same here

Dallam County, TX Age Cohorts Dataset: Children, Working Adults, and Seniors in Dallam County - 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 Dallam 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 Dallam 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 18 to 64 years with a poulation of 4,152 (57.83% 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 Dallam County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Dallam County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Dallam 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 Dallam County Population by Age. You can refer the same here

Dallam County, TX 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 Dallam County, TX population pyramid, which represents the Dallam County 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 Dallam County, TX, is 44.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Dallam County, TX, is 15.3.
  • Total dependency ratio for Dallam County, TX is 59.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Dallam County, TX is 6.5.
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 Dallam County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Dallam County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Dallam County for the selected age group is shown in the following column.
  • Total Population: The total population of the Dallam 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 Dallam 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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Collection 5 Resources