US ZIP Code 91708 Age & Gender Statistics (2024)

Total Population

19,213

Median Age

32.8

Male Median

34.1

Female Median

32.2

US ZIP Code 91708 Population Growth

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

US ZIP Code 91708 Demographic Trend

Since 2021, the population of has changed by +35.5%%.

+35.5%% Growth

US ZIP Code 91708 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 91708 Historical Population Data

YearMedian AgePopulation
202432.819,213
202333.517,308
202234.315,908
202134.214,179

US ZIP Code 91708 Age Group Breakdown (2024)

Age CohortPercentage
Under 59.9%
5–1722.5%
18–245.6%
25–3417.0%
35–5432.8%
55–647.3%
65+4.8%

Dependency Ratios for US ZIP Code 91708

Total Dependency Ratio:
59.2
Youth Dependency:
51.5
Old-Age Dependency:
7.7

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 91708

The median age in US ZIP Code 91708 is 32.8 years.

According to latest Census data, the total population of US ZIP Code 91708 is 19,213.

In US ZIP Code 91708, seniors (ages 65+) make up 4.8% of the population, while children under 18 represent 22.5%.

Based on historical data since 2021, the population in US ZIP Code 91708 has remained stable.
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