US ZIP Code 20878 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 20878
US ZIP Code 20878 Age & Gender Statistics (2024)
Total Population
66,115
Median Age
41.4
Male Median
40.8
Female Median
42.0
US ZIP Code 20878 Population Growth
US ZIP Code 20878 Demographic Trend
Since 2021, the population of has changed by +0.2%%.
+0.2%% Growth
US ZIP Code 20878 Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 20878 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.4 | 66,115 |
| 2023 | 41.4 | 65,236 |
| 2022 | 40.3 | 65,954 |
| 2021 | 40.7 | 65,999 |
US ZIP Code 20878 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.9% |
| 5–17 | 17.1% |
| 18–24 | 7.9% |
| 25–34 | 10.3% |
| 35–54 | 30.3% |
| 55–64 | 13.5% |
| 65+ | 16.0% |
Dependency Ratios for US ZIP Code 20878
- Total Dependency Ratio:
- 61.2
- Youth Dependency:
- 35.4
- Old-Age Dependency:
- 25.8
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 20878
The median age in US ZIP Code 20878 is 41.4 years.
According to latest Census data, the total population of US ZIP Code 20878 is 66,115.
In US ZIP Code 20878, seniors (ages 65+) make up 16.0% of the population, while children under 18 represent 17.1%.
Based on historical data since 2021, the population in US ZIP Code 20878 has remained stable.