US ZIP Code 31312 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 31312
US ZIP Code 31312 Age & Gender Statistics (2024)
Total Population
25,991
Median Age
34.4
Male Median
32.7
Female Median
36.0
US ZIP Code 31312 Population Growth

US ZIP Code 31312 Demographic Trend
Since 2021, the population of has changed by +12.2%%.
+12.2%% Growth
US ZIP Code 31312 Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 31312 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 34.4 | 25,991 |
| 2023 | 34.8 | 25,286 |
| 2022 | 34.9 | 24,235 |
| 2021 | 35.1 | 23,175 |
US ZIP Code 31312 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 8.6% |
| 5–17 | 22.9% |
| 18–24 | 6.1% |
| 25–34 | 13.2% |
| 35–54 | 29.4% |
| 55–64 | 10.8% |
| 65+ | 8.9% |
Dependency Ratios for US ZIP Code 31312
- Total Dependency Ratio:
- 68.0
- Youth Dependency:
- 53.0
- Old-Age Dependency:
- 15.0
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 31312
The median age in US ZIP Code 31312 is 34.4 years.
According to latest Census data, the total population of US ZIP Code 31312 is 25,991.
In US ZIP Code 31312, seniors (ages 65+) make up 8.9% of the population, while children under 18 represent 22.9%.
Based on historical data since 2021, the population in US ZIP Code 31312 has remained stable.