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Thurston County, WA Population by Age

The median age in Thurston County, WA is 39.3, as per 2021 ACS 5-Year Estimates. Of the total population, 17.87% were under the age of 15, 18.67% aged 15 to 29, 46.15% aged 30 to 64, 15.58% aged 65 to 84, and 1.74% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Thurston County, WA population age distribution

A complete breakdown of Thurston 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 16,462 5.66%
5 to 9 years 17,901 6.16%
10 to 14 years 17,565 6.04%
15 to 19 years 16,762 5.77%
20 to 24 years 16,799 5.78%
25 to 29 years 20,694 7.12%
30 to 34 years 21,000 7.23%
35 to 39 years 20,799 7.16%
40 to 44 years 19,599 6.74%
45 to 49 years 17,701 6.09%
50 to 54 years 17,544 6.04%
55 to 59 years 17,854 6.14%
60 to 64 years 19,626 6.75%
65 to 69 years 17,651 6.07%
70 to 74 years 14,319 4.93%
75 to 79 years 8,065 2.77%
80 to 84 years 5,234 1.8%
85 years and over 5,067 1.74%
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TABLE OF CONTENTS

Thurston County, WA population by age group

Key stats
85,489
Population under 25 years
82,092
Population aged 25-44
72,725
Population aged 45-64
50,336
Population aged 65+

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

The graph shows Thurston 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
Thurston County, WA population by age group. The largest age group was 30-34 years with a poulation of 21,000 (7.23% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Thurston County, WA was for the group of age 30-34 years with a population of 21,000 (7.23%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Thurston County, WA was the 85+ years with a population of 5,067 (1.74%).

Thurston County, WA population by age cohort

To better understand the age distribution of Thurston County, WA'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 Thurston 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.
Thurston County, WA 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 177,875 (61.20% 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 62,431 21.48%
18 to 64 years 177,875 61.2%
85 years and over 50,336 17.32%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Thurston County's population under 18 was 21.48%, compared to the 22.51% nationwide.
  • Thurston County's working population (between 18 and 64) was 61.20%, compared to 61.45% nationwide.
  • Thurston County's elderly or the senior population (over 65 age) was 17.32% as compared to 16.04% nationwide.

Thurston County, WA population pyramid

Population pyramid for Thurston County, WA 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 Thurston County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Thurston County, WA, is 27.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Thurston County, WA, is 26.7.
  • Total dependency ratio for Thurston County, WA is 54.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Thurston County, WA is 3.7.
The graph shows Thurston 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.
Thurston County, WA population pyramid i.e. Thurston County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Thurston County, WA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 8,686 7,776 16,462
5 to 9 years 8,924 8,977 17,901
10 to 14 years 9,383 8,182 17,565
15 to 19 years 8,508 8,254 16,762
20 to 24 years 8,511 8,288 16,799
25 to 29 years 10,618 10,076 20,694
30 to 34 years 10,451 10,549 21,000
35 to 39 years 10,778 10,021 20,799
40 to 44 years 9,305 10,294 19,599
45 to 49 years 8,842 8,859 17,701
50 to 54 years 8,701 8,843 17,544
55 to 59 years 8,648 9,206 17,854
60 to 64 years 9,138 10,488 19,626
65 to 69 years 7,940 9,711 17,651
70 to 74 years 6,821 7,498 14,319
75 to 79 years 3,754 4,311 8,065
80 to 84 years 2,376 2,858 5,234
85 years and over 1,753 3,314 5,067
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Things to know

What is the population of Thurston County, WA under 18?

Thurston County's population under the age of 18 is 62,431, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.48% of the total resident population of Thurston County, WA.

What is the aging population in Thurston County, WA?

Thurston County's population aged 65 years and above was 50,336. As per the U.S. Census Bureau's American Community Survey, this population is 17.32% of the entire population.

References

Datasets

Thurston County, WA Age Group Population Dataset: A complete breakdown of Thurston 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 Thurston 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 Thurston County. The dataset can be utilized to understand the population distribution of Thurston County by age. For example, using this dataset, we can identify the largest age group in Thurston County.

Key observations

The largest age group in Thurston County, WA was for the group of age 30-34 years with a population of 21,000 (7.23%), according to the 2021 American Community Survey. At the same time, the smallest age group in Thurston County, WA was the 85+ years with a population of 5,067 (1.74%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

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

Context

The dataset tabulates the Thurston 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 Thurston 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.

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

Thurston County, WA 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 Thurston County, WA population pyramid, which represents the Thurston 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 Thurston County, WA, is 27.6.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Thurston County, WA, is 26.7.
  • Total dependency ratio for Thurston County, WA is 54.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Thurston County, WA is 3.7.

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

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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