Alamosa County, CO Population by Age

The median age in Alamosa County, CO is 32.9, as per 2021 ACS 5-Year Estimates. Of the total population, 20.06% were under the age of 15, 26.57% aged 15 to 29, 39.73% aged 30 to 64, 12.38% aged 65 to 84, and 1.26% were 85 years of age and older.
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Updated Sep 17, 2023

Alamosa County, CO population age distribution

A complete breakdown of Alamosa 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 1,013 6.19%
5 to 9 years 1,075 6.56%
10 to 14 years 1,197 7.31%
15 to 19 years 1,745 10.66%
20 to 24 years 1,533 9.36%
25 to 29 years 1,074 6.56%
30 to 34 years 1,192 7.28%
35 to 39 years 1,217 7.43%
40 to 44 years 759 4.63%
45 to 49 years 683 4.17%
50 to 54 years 819 5%
55 to 59 years 936 5.72%
60 to 64 years 900 5.5%
65 to 69 years 849 5.18%
70 to 74 years 644 3.93%
75 to 79 years 275 1.68%
80 to 84 years 260 1.59%
85 years and over 206 1.26%
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Alamosa County, CO population by age group

Key stats
6,563
Population under 25 years
4,242
Population aged 25-44
3,338
Population aged 45-64
2,234
Population aged 65+

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

The graph shows Alamosa 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
Alamosa County, CO population by age group. The largest age group was 15-19 years with a poulation of 1,745 (10.66% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Alamosa County, CO was for the group of age 15-19 years with a population of 1,745 (10.66%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Alamosa County, CO was the 85+ years with a population of 206 (1.26%).

Alamosa County, CO population by age cohort

To better understand the age distribution of Alamosa County, CO'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 Alamosa 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.
Alamosa County, CO 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 10,124 (61.82% 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 4,019 24.54%
18 to 64 years 10,124 61.82%
85 years and over 2,234 13.64%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Alamosa County's population under 18 was 24.54%, compared to the 22.51% nationwide.
  • Alamosa County's working population (between 18 and 64) was 61.82%, compared to 61.45% nationwide.
  • Alamosa County's elderly or the senior population (over 65 age) was 13.64% as compared to 16.04% nationwide.

Alamosa County, CO population pyramid

Population pyramid for Alamosa County, CO 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 Alamosa County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Alamosa County, CO, is 30.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Alamosa County, CO, is 20.6.
  • Total dependency ratio for Alamosa County, CO is 50.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Alamosa County, CO is 4.9.
The graph shows Alamosa 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.
Alamosa County, CO population pyramid i.e. Alamosa County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Alamosa County, CO's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 520 493 1,013
5 to 9 years 433 642 1,075
10 to 14 years 747 450 1,197
15 to 19 years 880 865 1,745
20 to 24 years 748 785 1,533
25 to 29 years 613 461 1,074
30 to 34 years 643 549 1,192
35 to 39 years 743 474 1,217
40 to 44 years 313 446 759
45 to 49 years 333 350 683
50 to 54 years 371 448 819
55 to 59 years 469 467 936
60 to 64 years 405 495 900
65 to 69 years 357 492 849
70 to 74 years 380 264 644
75 to 79 years 152 123 275
80 to 84 years 110 150 260
85 years and over 53 153 206
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Things to know

What is the population of Alamosa County, CO under 18?

Alamosa County's population under the age of 18 is 4,019, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.54% of the total resident population of Alamosa County, CO.

What is the aging population in Alamosa County, CO?

Alamosa County's population aged 65 years and above was 2,234. As per the U.S. Census Bureau's American Community Survey, this population is 13.64% of the entire population.

References

Datasets

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

Key observations

The largest age group in Alamosa County, CO was for the group of age 15-19 years with a population of 1,745 (10.66%), according to the 2021 American Community Survey. At the same time, the smallest age group in Alamosa County, CO was the 85+ years with a population of 206 (1.26%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Alamosa County, CO Age Cohorts Dataset: Children, Working Adults, and Seniors in Alamosa 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 Alamosa 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 Alamosa 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.

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

Alamosa County, CO 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 Alamosa County, CO population pyramid, which represents the Alamosa 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 Alamosa County, CO, is 30.3.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Alamosa County, CO, is 20.6.
  • Total dependency ratio for Alamosa County, CO is 50.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Alamosa County, CO is 4.9.

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