US ZIP Code 95521 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 95521
US ZIP Code 95521 Age & Gender Statistics (2024)
Total Population
21,980
Median Age
29.2
Male Median
29.2
Female Median
29.3
US ZIP Code 95521 Population Growth

US ZIP Code 95521 Demographic Trend
Since 2021, the population of has changed by -1.3%%.
-1.3%% Growth
US ZIP Code 95521 Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 95521 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 29.2 | 21,980 |
| 2023 | 29.2 | 21,684 |
| 2022 | 28.0 | 21,712 |
| 2021 | 28.4 | 22,259 |
US ZIP Code 95521 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 3.4% |
| 5–17 | 10.6% |
| 18–24 | 27.4% |
| 25–34 | 16.6% |
| 35–54 | 18.6% |
| 55–64 | 8.7% |
| 65+ | 14.7% |
Dependency Ratios for US ZIP Code 95521
- Total Dependency Ratio:
- 40.3
- Youth Dependency:
- 19.6
- Old-Age Dependency:
- 20.6
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 95521
The median age in US ZIP Code 95521 is 29.2 years.
According to latest Census data, the total population of US ZIP Code 95521 is 21,980.
In US ZIP Code 95521, seniors (ages 65+) make up 14.7% of the population, while children under 18 represent 10.6%.
Based on historical data since 2021, the population in US ZIP Code 95521 has remained stable.