US ZIP Code 94603 Age & Gender Statistics (2024)

Total Population

35,742

Median Age

34.8

Male Median

34.7

Female Median

34.8

US ZIP Code 94603 Population Growth

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

US ZIP Code 94603 Demographic Trend

Since 2021, the population of has changed by -0.7%%.

-0.7%% Growth

US ZIP Code 94603 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 94603 Historical Population Data

YearMedian AgePopulation
202434.835,742
202334.236,440
202232.937,042
202132.635,996

US ZIP Code 94603 Age Group Breakdown (2024)

Age CohortPercentage
Under 56.4%
5–1719.2%
18–249.6%
25–3415.3%
35–5428.2%
55–6411.8%
65+9.6%

Dependency Ratios for US ZIP Code 94603

Total Dependency Ratio:
54.2
Youth Dependency:
39.5
Old-Age Dependency:
14.8

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 94603

The median age in US ZIP Code 94603 is 34.8 years.

According to latest Census data, the total population of US ZIP Code 94603 is 35,742.

In US ZIP Code 94603, seniors (ages 65+) make up 9.6% of the population, while children under 18 represent 19.2%.

Based on historical data since 2021, the population in US ZIP Code 94603 is aging.
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