Data / Rankings / Population aged 18 to 64 / Counties in Utah

Counties in Utah by population aged 18 to 64

Salt Lake County had the highest population aged 18 to 64 of 29 counties in 2024, at 63.6%. Daggett County had the lowest, at 49.2%. The median was 55.2% and the figure for Utah was 60.6%. Source: the U.S. Census Bureau.

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Highest63.6Salt Lake County
Lowest49.2Daggett County
Median55.229 counties
Utah60.6History

Map of counties, 2024

Beaver County: 54.7 %Box Elder County: 56.6 %Cache County: 61.7 %Carbon County: 55.2 %Daggett County: 49.2 %Davis County: 59.1 %Duchesne County: 54.4 %Emery County: 53.1 %Garfield County: 52.9 %Grand County: 59.4 %Iron County: 59.1 %Juab County: 53.5 %Kane County: 51.7 %Millard County: 52.6 %Morgan County: 54.8 %Piute County: 50 %Rich County: 50.7 %Salt Lake County: 63.6 %San Juan County: 55.5 %Sanpete County: 58 %Sevier County: 53.8 %Summit County: 60.6 %Tooele County: 59.5 %Uintah County: 56.8 %Utah County: 60.9 %Wasatch County: 57.3 %Washington County: 53.2 %Wayne County: 52.2 %Weber County: 60.9 %
  • Under 53
  • 53 to 54
  • 54 to 57
  • 57 to 59
  • 59 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Salt Lake County: 63.6 %Salt Lake County63.6Cache County: 61.7 %Cache County61.7Utah County: 60.9 %Utah County60.9Weber County: 60.9 %Weber County60.9Summit County: 60.6 %Summit County60.6Tooele County: 59.5 %Tooele County59.5Grand County: 59.4 %Grand County59.4Iron County: 59.1 %Iron County59.1Davis County: 59.1 %Davis County59.1Sanpete County: 58 %Sanpete County58Wasatch County: 57.3 %Wasatch County57.3Uintah County: 56.8 %Uintah County56.8Box Elder County: 56.6 %Box Elder County56.6San Juan County: 55.5 %San Juan County55.5Carbon County: 55.2 %Carbon County55.2Morgan County: 54.8 %Morgan County54.8Beaver County: 54.7 %Beaver County54.7Duchesne County: 54.4 %Duchesne County54.4Sevier County: 53.8 %Sevier County53.8Juab County: 53.5 %Juab County53.5Washington County: 53.2 %Washington County53.2Emery County: 53.1 %Emery County53.1Garfield County: 52.9 %Garfield County52.9Millard County: 52.6 %Millard County52.6Wayne County: 52.2 %Wayne County52.2Kane County: 51.7 %Kane County51.7Rich County: 50.7 %Rich County50.7Piute County: 50 %Piute County50Daggett County: 49.2 %Daggett County49.2Salt Lake County: 63.6 %Salt Lake County63.6Cache County: 61.7 %Cache County61.7Utah County: 60.9 %Utah County60.9Weber County: 60.9 %Weber County60.9Summit County: 60.6 %Summit County60.6Tooele County: 59.5 %Tooele County59.5Grand County: 59.4 %Grand County59.4Iron County: 59.1 %Iron County59.1Davis County: 59.1 %Davis County59.1Sanpete County: 58 %Sanpete County58Wasatch County: 57.3 %Wasatch County57.3Uintah County: 56.8 %Uintah County56.8Box Elder County: 56.6 %Box Elder County56.6San Juan County: 55.5 %San Juan County55.5Carbon County: 55.2 %Carbon County55.2Morgan County: 54.8 %Morgan County54.8Beaver County: 54.7 %Beaver County54.7Duchesne County: 54.4 %Duchesne County54.4Sevier County: 53.8 %Sevier County53.8Juab County: 53.5 %Juab County53.5Washington County: 53.2 %Washington County53.2Emery County: 53.1 %Emery County53.1Garfield County: 52.9 %Garfield County52.9Millard County: 52.6 %Millard County52.6Wayne County: 52.2 %Wayne County52.2Kane County: 51.7 %Kane County51.7Rich County: 50.7 %Rich County50.7Piute County: 50 %Piute County50Daggett County: 49.2 %Daggett County49.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Salt Lake County63.6+0.3 pts
2Cache County61.7+0.4 pts
3Utah County60.9+0.4 pts
4Weber County60.9+0.2 pts
5Summit County60.6-0.2 pts
6Tooele County59.5+0.6 pts
7Grand County59.4-0.2 pts
8Iron County59.1+0.3 pts
9Davis County59.1+0.5 pts
10Sanpete County58+0.4 pts
11Wasatch County57.3+0.3 pts
12Uintah County56.8+0.5 pts
13Box Elder County56.6+0.6 pts
14San Juan County55.5-0.1 pts
15Carbon County55.2+0.1 pts
16Morgan County54.8+0.8 pts
17Beaver County54.70 pts
18Duchesne County54.4+0.4 pts
19Sevier County53.8+0.4 pts
20Juab County53.5+0.4 pts
21Washington County53.2+0.4 pts
22Emery County53.1-0.1 pts
23Garfield County52.9-0.1 pts
24Millard County52.6+0.3 pts
25Wayne County52.2-0.2 pts
26Kane County51.7+0.5 pts
27Rich County50.7+0.4 pts
28Piute County50+0.3 pts
29Daggett County49.2-1.4 pts

Other periods

About this ranking

Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Not comparable with working-age shares for ages 15 to 64 used in EU and World Bank statistics.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Counties in Utah by population aged 18 to 64, 2024) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Utah by population aged 18 to 64, 2024. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/population-18-64/utah-counties?period=2024. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Counties in Utah by population aged 18 to 64, 2024. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/population-18-64/utah-counties?period=2024.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Utah by population aged 18 to 64, 2024 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-18-64/utah-counties?period=2024 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_utah_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Utah by population aged 18 to 64, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/population-18-64/utah-counties?period=2024. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Utah by population aged 18 to 64, 2024
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/population-18-64/utah-counties?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-18-64/utah-counties?period=2024.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Rank Counties in Utah by population aged 18 to 64 using official data, and cite the source.
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Questions

Which county has the highest population aged 18 to 64?

Salt Lake County, with 63.6% in 2024, according to the U.S. Census Bureau.

Which county has the lowest population aged 18 to 64?

Daggett County, with 49.2% in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved 2026-10-12.

Population aged 18 to 64: other rankings

Counties in Utah: more rankings