US ZIP Code 94551 Age & Gender Statistics (2024)

Total Population

37,885

Median Age

39.7

Male Median

39.8

Female Median

39.7

US ZIP Code 94551 Population Growth

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

US ZIP Code 94551 Demographic Trend

Since 2021, the population of has changed by -6.6%%.

-6.6%% Growth

US ZIP Code 94551 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 94551 Historical Population Data

YearMedian AgePopulation
202439.737,885
202339.638,739
202238.340,025
202138.740,552

US ZIP Code 94551 Age Group Breakdown (2024)

Age CohortPercentage
Under 56.4%
5–1715.9%
18–246.0%
25–3414.3%
35–5430.1%
55–6415.2%
65+12.1%

Dependency Ratios for US ZIP Code 94551

Total Dependency Ratio:
52.5
Youth Dependency:
34.0
Old-Age Dependency:
18.5

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 94551

The median age in US ZIP Code 94551 is 39.7 years.

According to latest Census data, the total population of US ZIP Code 94551 is 37,885.

In US ZIP Code 94551, seniors (ages 65+) make up 12.1% of the population, while children under 18 represent 15.9%.

Based on historical data since 2021, the population in US ZIP Code 94551 has remained stable.
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