Salt Lake City, UT population age distribution
A complete breakdown of Salt Lake City'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 | 11,317 | 5.68% |
5 to 9 years | 11,008 | 5.53% |
10 to 14 years | 10,487 | 5.27% |
15 to 19 years | 11,890 | 5.97% |
20 to 24 years | 21,168 | 10.63% |
25 to 29 years | 24,533 | 12.32% |
30 to 34 years | 17,832 | 8.95% |
35 to 39 years | 16,060 | 8.06% |
40 to 44 years | 12,063 | 6.06% |
45 to 49 years | 10,620 | 5.33% |
50 to 54 years | 9,874 | 4.96% |
55 to 59 years | 10,118 | 5.08% |
60 to 64 years | 9,060 | 4.55% |
65 to 69 years | 8,933 | 4.49% |
70 to 74 years | 5,745 | 2.88% |
75 to 79 years | 3,602 | 1.81% |
80 to 84 years | 2,490 | 1.25% |
85 years and over | 2,353 | 1.18% |
TABLE OF CONTENTS
Salt Lake City, UT population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Salt Lake City, UT was for the group of age 25-29 years with a population of 24,533 (12.32%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Salt Lake City, UT was the 85+ years with a population of 2,353 (1.18%).
Salt Lake City, UT population by age cohort
To better understand the age distribution of Salt Lake City, 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

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 38,304 | 19.23% |
18 to 64 years | 137,726 | 69.16% |
85 years and over | 23,123 | 11.61% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Salt Lake City's population under 18 was 19.23%, compared to the 22.51% nationwide.
- Salt Lake City's working population (between 18 and 64) was 69.16%, compared to 61.45% nationwide.
- Salt Lake City's elderly or the senior population (over 65 age) was 11.61% as compared to 16.04% nationwide.
Salt Lake City, UT population pyramid
Population pyramid for Salt Lake City, 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 City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Salt Lake City, UT, is 22.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Salt Lake City, UT, is 16.1.
- Total dependency ratio for Salt Lake City, UT is 39.1.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Salt Lake City, UT is 6.2.

Here's the Salt Lake City, UT's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 5,933 | 5,384 | 11,317 |
5 to 9 years | 5,725 | 5,283 | 11,008 |
10 to 14 years | 5,076 | 5,411 | 10,487 |
15 to 19 years | 6,407 | 5,483 | 11,890 |
20 to 24 years | 10,468 | 10,700 | 21,168 |
25 to 29 years | 12,856 | 11,677 | 24,533 |
30 to 34 years | 9,164 | 8,668 | 17,832 |
35 to 39 years | 8,601 | 7,459 | 16,060 |
40 to 44 years | 6,140 | 5,923 | 12,063 |
45 to 49 years | 5,727 | 4,893 | 10,620 |
50 to 54 years | 5,196 | 4,678 | 9,874 |
55 to 59 years | 5,214 | 4,904 | 10,118 |
60 to 64 years | 4,539 | 4,521 | 9,060 |
65 to 69 years | 4,595 | 4,338 | 8,933 |
70 to 74 years | 2,791 | 2,954 | 5,745 |
75 to 79 years | 1,448 | 2,154 | 3,602 |
80 to 84 years | 1,182 | 1,308 | 2,490 |
85 years and over | 961 | 1,392 | 2,353 |
Things to know
What is the population of Salt Lake City, UT under 18?
Salt Lake City's population under the age of 18 is 38,304, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.23% of the total resident population of Salt Lake City, UT.
What is the aging population in Salt Lake City, UT?
Salt Lake City's population aged 65 years and above was 23,123. As per the U.S. Census Bureau's American Community Survey, this population is 11.61% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates