Westminster, CO Population by Age

The median age in Westminster, CO is 37.4, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 16.11% were under the age of 15, 20.85% aged 15 to 29, 48.62% aged 30 to 64, 12.79% aged 65 to 84, and 1.61% were 85 years of age and older.
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Updated Jul 26, 2024

Westminster, CO population age distribution

A complete breakdown of Westminster'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 5,836 5.05%
5 to 9 years 6,228 5.39%
10 to 14 years 6,551 5.67%
15 to 19 years 6,866 5.94%
20 to 24 years 7,848 6.79%
25 to 29 years 9,376 8.12%
30 to 34 years 10,744 9.3%
35 to 39 years 9,063 7.85%
40 to 44 years 7,646 6.62%
45 to 49 years 7,466 6.46%
50 to 54 years 6,766 5.86%
55 to 59 years 7,450 6.45%
60 to 64 years 7,024 6.08%
65 to 69 years 5,725 4.96%
70 to 74 years 4,692 4.06%
75 to 79 years 2,725 2.36%
80 to 84 years 1,632 1.41%
85 years and over 1,864 1.61%
Need population insights or broader demographics data for Westminster?
We can help you with custom data for Westminster, other cities in Jefferson County, any place in Colorado, or across the USA!
Avg Income Age group Avg Income Diversity Index Population Gender ratio (M:F) Homeownership % Avg commute time Custom Dataset: Westminster Self-employed, multilingual, car-commuting, insured individuals 15 to 24 years $27,865 75 27,354 0.75 0.5% 55 min 25 to 44 years $44,231 90 37,459 0.86 19% 43 min 45 to 64 years $53,865 95 42,167 0.77 35% 15 min 65 to 74 years $51,800 74 32,972 0.91 45% 13 min 75 to 84 years $41,234 66 26,758 0.87 66% 42 min 85 years and over $36,093 56 18,857 0.89 76% 45 min

Westminster, CO population by age group

Key stats
33,329
Population under 25 years
36,829
Population aged 25-44
28,706
Population aged 45-64
16,638
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022

FIGURE 1

Westminster, CO population by age group.

The largest age group is 30 to 34 years with a population of 10,744 (9.30% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

The largest age group in Westminster, CO was for the group of age 30 to 34 years with a population of 10,744 (9.30%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Westminster, CO was the 80 to 84 years with a population of 1,632 (1.41%).

Westminster, CO population by age cohort

To better understand the age distribution of Westminster, 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

FIGURE 2

Westminster, CO population by age cohort

The largest age group was 18 to 64 years with a population of 76,268 (66.03% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

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

Age Group Population % of Total Population
Under 18 years 22,596 19.56%
18 to 64 years 76,268 66.03%
65 years and over 16,638 14.4%

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

  • Westminster 's population under 18 was 19.56%, compared to the 22.11% nationwide.
  • Westminster's working population (between 18 and 64) was 66.03%, compared to 61.36% nationwide.
  • Westminster's elderly or the senior population (over 65 age) was 14.40% as compared to 16.53% nationwide.

Westminster, CO population pyramid

Population pyramid for Westminster, 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 Westminster's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Westminster, CO, is 23.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Westminster, CO, is 20.7.
  • Total dependency ratio for Westminster, CO is 43.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Westminster, CO is 4.8.

FIGURE 3

Westminster, CO population pyramid

Westminster 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) 2018-2022 5-Year Estimates.

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

Age Group Population(Male) Population(Female) Total Population
Under 5 years 3,147 2,689 5,836
5 to 9 years 3,039 3,189 6,228
10 to 14 years 3,346 3,205 6,551
15 to 19 years 3,326 3,540 6,866
20 to 24 years 4,429 3,419 7,848
25 to 29 years 4,817 4,559 9,376
30 to 34 years 5,849 4,895 10,744
35 to 39 years 4,832 4,231 9,063
40 to 44 years 4,266 3,380 7,646
45 to 49 years 3,775 3,691 7,466
50 to 54 years 3,400 3,366 6,766
55 to 59 years 3,354 4,096 7,450
60 to 64 years 3,579 3,445 7,024
65 to 69 years 2,602 3,123 5,725
70 to 74 years 2,124 2,568 4,692
75 to 79 years 1,461 1,264 2,725
80 to 84 years 538 1,094 1,632
85 years and over 663 1,201 1,864

Things to know

What is the population of Westminster, CO under 18?

Westminster's population under the age of 18 is 22,596, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.56% of the total resident population of Westminster, CO.

What is the aging population in Westminster, CO?

Westminster's population aged 65 years and above was 16,638. As per the U.S. Census Bureau's American Community Survey, this population is 14.40% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Westminster, CO Age Group Population Dataset: A Complete Breakdown of Westminster Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Westminster, CO was for the group of age 30 to 34 years years with a population of 10,744 (9.30%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Westminster, CO was the 80 to 84 years years with a population of 1,632 (1.41%). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Westminster is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Westminster 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 Westminster Population by Age. You can refer the same here

Westminster, CO Age Cohorts Dataset: Children, Working Adults, and Seniors in Westminster - Population and Percentage Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Westminster 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 Westminster. 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 76,268 (66.03% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Westminster population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Westminster is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Westminster 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 Westminster Population by Age. You can refer the same here

Westminster, CO Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Westminster, CO population pyramid, which represents the Westminster population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Westminster, CO, is 23.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Westminster, CO, is 20.7.
  • Total dependency ratio for Westminster, CO is 43.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Westminster, CO is 4.8.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Westminster population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Westminster for the selected age group is shown in the following column.
  • Population (Female): The female population in the Westminster for the selected age group is shown in the following column.
  • Total Population: The total population of the Westminster 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 Westminster 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
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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