US ZIP Code 94520 Age & Gender Statistics (2024)

Total Population

37,381

Median Age

35.0

Male Median

34.3

Female Median

35.8

US ZIP Code 94520 Population Growth

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

US ZIP Code 94520 Demographic Trend

Since 2021, the population of has changed by +3.5%%.

+3.5%% Growth

US ZIP Code 94520 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 94520 Historical Population Data

YearMedian AgePopulation
202435.037,381
202334.636,767
202234.736,699
202134.436,107

US ZIP Code 94520 Age Group Breakdown (2024)

Age CohortPercentage
Under 58.3%
5–1716.2%
18–246.9%
25–3418.6%
35–5429.9%
55–649.2%
65+11.0%

Dependency Ratios for US ZIP Code 94520

Total Dependency Ratio:
55.0
Youth Dependency:
38.0
Old-Age Dependency:
17.0

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 94520

The median age in US ZIP Code 94520 is 35.0 years.

According to latest Census data, the total population of US ZIP Code 94520 is 37,381.

In US ZIP Code 94520, seniors (ages 65+) make up 11.0% of the population, while children under 18 represent 16.2%.

Based on historical data since 2021, the population in US ZIP Code 94520 has remained stable.
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