US ZIP Code 91320 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 91320
US ZIP Code 91320 Age & Gender Statistics (2024)
Total Population
43,472
Median Age
43.3
Male Median
41.7
Female Median
45.4
US ZIP Code 91320 Population Growth
US ZIP Code 91320 Demographic Trend
Since 2021, the population of has changed by -2.0%%.
-2.0%% Growth
US ZIP Code 91320 Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 91320 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 43.3 | 43,472 |
| 2023 | 42.9 | 43,628 |
| 2022 | 42.9 | 44,138 |
| 2021 | 42.7 | 44,356 |
US ZIP Code 91320 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 16.9% |
| 18–24 | 8.7% |
| 25–34 | 9.1% |
| 35–54 | 26.3% |
| 55–64 | 15.0% |
| 65+ | 18.9% |
Dependency Ratios for US ZIP Code 91320
- Total Dependency Ratio:
- 69.5
- Youth Dependency:
- 37.5
- Old-Age Dependency:
- 32.0
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 91320
The median age in US ZIP Code 91320 is 43.3 years.
According to latest Census data, the total population of US ZIP Code 91320 is 43,472.
In US ZIP Code 91320, seniors (ages 65+) make up 18.9% of the population, while children under 18 represent 16.9%.
Based on historical data since 2021, the population in US ZIP Code 91320 has remained stable.