US ZIP Code 81521 Age & Gender Statistics (2024)

Total Population

16,613

Median Age

43.2

Male Median

42.0

Female Median

43.5

US ZIP Code 81521 Population Growth

Population trends in
Figure 1: Annual population growth trend for (2021–2024).

US ZIP Code 81521 Demographic Trend

Since 2021, the population of has changed by +4.8%%.

+4.8%% Growth

US ZIP Code 81521 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 81521 Historical Population Data

YearMedian AgePopulation
202443.216,613
202342.416,861
202241.516,431
202141.615,859

US ZIP Code 81521 Age Group Breakdown (2024)

Age CohortPercentage
Under 54.9%
5–1721.0%
18–244.7%
25–349.4%
35–5426.8%
55–6413.0%
65+20.2%

Dependency Ratios for US ZIP Code 81521

Total Dependency Ratio:
85.6
Youth Dependency:
48.1
Old-Age Dependency:
37.5

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



Age & Gender FAQs for US ZIP Code 81521

The median age in US ZIP Code 81521 is 43.2 years.

According to latest Census data, the total population of US ZIP Code 81521 is 16,613.

In US ZIP Code 81521, seniors (ages 65+) make up 20.2% of the population, while children under 18 represent 21.0%.

Based on historical data since 2021, the population in US ZIP Code 81521 is aging.
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