US ZIP Code 91911 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 91911
US ZIP Code 91911 Age & Gender Statistics (2024)
Total Population
85,542
Median Age
36.9
Male Median
36.1
Female Median
37.5
US ZIP Code 91911 Population Growth

US ZIP Code 91911 Demographic Trend
Since 2021, the population of has changed by -3.4%%.
-3.4%% Growth
US ZIP Code 91911 Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 91911 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 36.9 | 85,542 |
| 2023 | 36.7 | 84,619 |
| 2022 | 35.4 | 87,799 |
| 2021 | 35.8 | 88,589 |
US ZIP Code 91911 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.0% |
| 5–17 | 17.3% |
| 18–24 | 8.9% |
| 25–34 | 15.3% |
| 35–54 | 26.7% |
| 55–64 | 11.1% |
| 65+ | 14.6% |
Dependency Ratios for US ZIP Code 91911
- Total Dependency Ratio:
- 61.2
- Youth Dependency:
- 37.6
- Old-Age Dependency:
- 23.6
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 91911
The median age in US ZIP Code 91911 is 36.9 years.
According to latest Census data, the total population of US ZIP Code 91911 is 85,542.
In US ZIP Code 91911, seniors (ages 65+) make up 14.6% of the population, while children under 18 represent 17.3%.
Based on historical data since 2021, the population in US ZIP Code 91911 has remained stable.