US ZIP Code 95121 Age & Gender Statistics (2024)

Total Population

36,463

Median Age

42.8

Male Median

40.3

Female Median

45.7

US ZIP Code 95121 Population Growth

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

US ZIP Code 95121 Demographic Trend

Since 2021, the population of has changed by -3.2%%.

-3.2%% Growth

US ZIP Code 95121 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 95121 Historical Population Data

YearMedian AgePopulation
202442.836,463
202343.535,722
202242.636,657
202141.237,663

US ZIP Code 95121 Age Group Breakdown (2024)

Age CohortPercentage
Under 54.1%
5–1713.4%
18–249.6%
25–3411.7%
35–5428.5%
55–6414.1%
65+18.7%

Dependency Ratios for US ZIP Code 95121

Total Dependency Ratio:
56.5
Youth Dependency:
27.3
Old-Age Dependency:
29.2

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 95121

The median age in US ZIP Code 95121 is 42.8 years.

According to latest Census data, the total population of US ZIP Code 95121 is 36,463.

In US ZIP Code 95121, seniors (ages 65+) make up 18.7% of the population, while children under 18 represent 13.4%.

Based on historical data since 2021, the population in US ZIP Code 95121 is aging.
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