US ZIP Code 61603 Age & Gender Distribution (2024)
Population distribution by age and gender for US ZIP Code 61603
US ZIP Code 61603 Age & Gender Statistics (2024)
Total Population
15,356
Median Age
34.1
Male Median
33.3
Female Median
34.9
US ZIP Code 61603 Population Growth

US ZIP Code 61603 Demographic Trend
Since 2021, the population of has changed by -2.5%%.
-2.5%% Growth
US ZIP Code 61603 Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
US ZIP Code 61603 Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 34.1 | 15,356 |
| 2023 | 36.4 | 15,430 |
| 2022 | 35.3 | 15,789 |
| 2021 | 36.2 | 15,747 |
US ZIP Code 61603 Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 23.5% |
| 18–24 | 9.7% |
| 25–34 | 12.6% |
| 35–54 | 23.8% |
| 55–64 | 11.2% |
| 65+ | 13.9% |
Dependency Ratios for US ZIP Code 61603
- Total Dependency Ratio:
- 74.4
- Youth Dependency:
- 50.2
- Old-Age Dependency:
- 24.3
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 61603
The median age in US ZIP Code 61603 is 34.1 years.
According to latest Census data, the total population of US ZIP Code 61603 is 15,356.
In US ZIP Code 61603, seniors (ages 65+) make up 13.9% of the population, while children under 18 represent 23.5%.
Based on historical data since 2021, the population in US ZIP Code 61603 is becoming younger.