Duchesne County, Utah Age & Gender Statistics (2024)

Total Population

20,185

Median Age

34.1

Male Median

33.9

Female Median

34.2

Duchesne County, Utah Population Growth

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Duchesne County, Utah Demographic Trend

Since 2010, the population of has changed by +16.0%%.

+16.0%% Growth

Duchesne County, Utah Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Duchesne County, Utah Historical Population Data

YearMedian AgePopulation
202434.120,185
202333.819,932
202233.119,779
202132.519,651
202031.919,950
201931.520,148
201831.020,219
201730.320,259
201630.220,078
201530.219,817
201430.219,378
201329.819,109
201229.818,537
201129.718,025
201030.017,408

Duchesne County, Utah Age Group Breakdown (2024)

Age CohortPercentage
Under 57.8%
5–1724.4%
18–248.1%
25–3411.5%
35–5424.9%
55–6410.2%
65+13.0%

Dependency Ratios for Duchesne County, Utah

Total Dependency Ratio:
82.7
Youth Dependency:
58.8
Old-Age Dependency:
23.8

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Duchesne County, Utah

The median age in Duchesne County, Utah is 34.1 years.

According to latest Census data, the total population of Duchesne County, Utah is 20,185.

In Duchesne County, Utah, seniors (ages 65+) make up 13.0% of the population, while children under 18 represent 24.4%.

Based on historical data since 2010, the population in Duchesne County, Utah is aging.
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