US ZIP Code 21231 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 21231
US ZIP Code 21231 Age & Gender Statistics (2024)
Total Population
14,969
Median Age
32.7
Male Median
32.7
Female Median
32.7
US ZIP Code 21231 Population Growth
US ZIP Code 21231 Demographic Trend
Since 2021, the population of has changed by -4.9%%.
-4.9%% Growth
US ZIP Code 21231 Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 21231 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 32.7 | 14,969 |
| 2023 | 32.4 | 14,556 |
| 2022 | 32.8 | 14,780 |
| 2021 | 32.4 | 15,746 |
US ZIP Code 21231 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.8% |
| 5–17 | 7.8% |
| 18–24 | 9.2% |
| 25–34 | 32.8% |
| 35–54 | 27.2% |
| 55–64 | 8.2% |
| 65+ | 9.2% |
Dependency Ratios for US ZIP Code 21231
- Total Dependency Ratio:
- 29.4
- Youth Dependency:
- 17.5
- Old-Age Dependency:
- 11.9
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 21231
The median age in US ZIP Code 21231 is 32.7 years.
According to latest Census data, the total population of US ZIP Code 21231 is 14,969.
In US ZIP Code 21231, seniors (ages 65+) make up 9.2% of the population, while children under 18 represent 7.8%.
Based on historical data since 2021, the population in US ZIP Code 21231 has remained stable.