DuPage County, Illinois Age & Gender Distribution (2024)
Population distribution by age and gender for DuPage County, Illinois
DuPage County, Illinois Age & Gender Statistics (2024)
Total Population
930,024
Median Age
40.2
Male Median
39.1
Female Median
41.3
DuPage County, Illinois Population Growth
DuPage County, Illinois Demographic Trend
Since 2010, the population of has changed by +2.0%%.
+2.0%% Growth
DuPage County, Illinois Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
DuPage County, Illinois Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.2 | 930,024 |
| 2023 | 40.0 | 927,263 |
| 2022 | 39.9 | 930,559 |
| 2021 | 39.7 | 934,094 |
| 2020 | 39.5 | 926,005 |
| 2019 | 39.3 | 929,060 |
| 2018 | 39.1 | 931,743 |
| 2017 | 39.1 | 931,826 |
| 2016 | 38.9 | 930,514 |
| 2015 | 38.8 | 930,412 |
| 2014 | 38.7 | 926,485 |
| 2013 | 38.4 | 922,803 |
| 2012 | 38.2 | 918,608 |
| 2011 | 37.8 | 914,224 |
| 2010 | 37.4 | 911,481 |
DuPage County, Illinois Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.5% |
| 5–17 | 16.6% |
| 18–24 | 8.3% |
| 25–34 | 12.4% |
| 35–54 | 26.4% |
| 55–64 | 13.4% |
| 65+ | 17.3% |
Dependency Ratios for DuPage County, Illinois
- Total Dependency Ratio:
- 65.3
- Youth Dependency:
- 36.6
- Old-Age Dependency:
- 28.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for DuPage County, Illinois
The median age in DuPage County, Illinois is 40.2 years.
According to latest Census data, the total population of DuPage County, Illinois is 930,024.
In DuPage County, Illinois, seniors (ages 65+) make up 17.3% of the population, while children under 18 represent 16.6%.
Based on historical data since 2010, the population in DuPage County, Illinois is aging.