US ZIP Code 85621 Age & Gender Statistics (2024)

Total Population

21,593

Median Age

36.6

Male Median

31.8

Female Median

39.1

US ZIP Code 85621 Population Growth

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

US ZIP Code 85621 Demographic Trend

Since 2021, the population of has changed by -0.4%%.

-0.4%% Growth

US ZIP Code 85621 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 85621 Historical Population Data

YearMedian AgePopulation
202436.621,593
202337.521,512
202236.921,421
202137.221,688

US ZIP Code 85621 Age Group Breakdown (2024)

Age CohortPercentage
Under 55.8%
5–1719.3%
18–249.4%
25–3413.8%
35–5421.2%
55–6411.3%
65+19.1%

Dependency Ratios for US ZIP Code 85621

Total Dependency Ratio:
79.2
Youth Dependency:
45.0
Old-Age Dependency:
34.3

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 85621

The median age in US ZIP Code 85621 is 36.6 years.

According to latest Census data, the total population of US ZIP Code 85621 is 21,593.

In US ZIP Code 85621, seniors (ages 65+) make up 19.1% of the population, while children under 18 represent 19.3%.

Based on historical data since 2021, the population in US ZIP Code 85621 has remained stable.
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