Salt Lake County, UT Population by Age

The median age in Salt Lake County, UT is 33.2, as per 2021 ACS 5-Year Estimates. Of the total population, 22.32% were under the age of 15, 22.43% aged 15 to 29, 44.30% aged 30 to 64, 9.84% aged 65 to 84, and 1.12% were 85 years of age and older.
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Updated Sep 17, 2023

Salt Lake County, UT population age distribution

A complete breakdown of Salt Lake 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 83,199 7.09%
5 to 9 years 88,134 7.51%
10 to 14 years 90,499 7.71%
15 to 19 years 83,694 7.13%
20 to 24 years 81,056 6.91%
25 to 29 years 98,405 8.39%
30 to 34 years 93,193 7.94%
35 to 39 years 91,774 7.82%
40 to 44 years 82,470 7.03%
45 to 49 years 71,262 6.07%
50 to 54 years 62,634 5.34%
55 to 59 years 60,165 5.13%
60 to 64 years 58,294 4.97%
65 to 69 years 46,561 3.97%
70 to 74 years 34,198 2.91%
75 to 79 years 20,457 1.74%
80 to 84 years 14,185 1.21%
85 years and over 13,151 1.12%
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Salt Lake County, UT population by age group

Key stats
426,582
Population under 25 years
365,842
Population aged 25-44
252,355
Population aged 45-64
128,552
Population aged 65+

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

The graph shows Salt Lake 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
Salt Lake County, UT population by age group. The largest age group was 25-29 years with a poulation of 98,405 (8.39% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Salt Lake County, UT was for the group of age 25-29 years with a population of 98,405 (8.39%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Salt Lake County, UT was the 85+ years with a population of 13,151 (1.12%).

Salt Lake County, UT population by age cohort

To better understand the age distribution of Salt Lake County, UT'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 Salt Lake 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.
Salt Lake County, UT 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 729,411 (62.17% 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 315,368 26.88%
18 to 64 years 729,411 62.17%
85 years and over 128,552 10.96%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Salt Lake County's population under 18 was 26.88%, compared to the 22.51% nationwide.
  • Salt Lake County's working population (between 18 and 64) was 62.17%, compared to 61.45% nationwide.
  • Salt Lake County's elderly or the senior population (over 65 age) was 10.96% as compared to 16.04% nationwide.

Salt Lake County, UT population pyramid

Population pyramid for Salt Lake County, UT 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 Salt Lake County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Salt Lake County, UT, is 33.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Salt Lake County, UT, is 16.4.
  • Total dependency ratio for Salt Lake County, UT is 49.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Salt Lake County, UT is 6.1.
The graph shows Salt Lake 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.
Salt Lake County, UT population pyramid i.e. Salt Lake County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Salt Lake County, UT's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 42,391 40,808 83,199
5 to 9 years 44,704 43,430 88,134
10 to 14 years 46,612 43,887 90,499
15 to 19 years 43,069 40,625 83,694
20 to 24 years 41,216 39,840 81,056
25 to 29 years 49,895 48,510 98,405
30 to 34 years 47,672 45,521 93,193
35 to 39 years 48,479 43,295 91,774
40 to 44 years 41,046 41,424 82,470
45 to 49 years 36,884 34,378 71,262
50 to 54 years 32,034 30,600 62,634
55 to 59 years 30,059 30,106 60,165
60 to 64 years 28,689 29,605 58,294
65 to 69 years 22,730 23,831 46,561
70 to 74 years 15,988 18,210 34,198
75 to 79 years 9,573 10,884 20,457
80 to 84 years 5,892 8,293 14,185
85 years and over 4,840 8,311 13,151
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Things to know

What is the population of Salt Lake County, UT under 18?

Salt Lake County's population under the age of 18 is 315,368, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.88% of the total resident population of Salt Lake County, UT.

What is the aging population in Salt Lake County, UT?

Salt Lake County's population aged 65 years and above was 128,552. As per the U.S. Census Bureau's American Community Survey, this population is 10.96% of the entire population.

References

Datasets

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

Key observations

The largest age group in Salt Lake County, UT was for the group of age 25-29 years with a population of 98,405 (8.39%), according to the 2021 American Community Survey. At the same time, the smallest age group in Salt Lake County, UT was the 85+ years with a population of 13,151 (1.12%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Salt Lake County, UT Age Cohorts Dataset: Children, Working Adults, and Seniors in Salt Lake 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 Salt Lake 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 Salt Lake 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.

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

Salt Lake County, UT 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 Salt Lake County, UT population pyramid, which represents the Salt Lake 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 Salt Lake County, UT, is 33.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Salt Lake County, UT, is 16.4.
  • Total dependency ratio for Salt Lake County, UT is 49.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Salt Lake County, UT is 6.1.

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