McLean County, Illinois Age & Gender Distribution (2024)
Population distribution by age and gender for McLean County, Illinois
McLean County, Illinois Age & Gender Statistics (2024)
Total Population
171,556
Median Age
34.3
Male Median
33.7
Female Median
34.8
McLean County, Illinois Population Growth
McLean County, Illinois Demographic Trend
Since 2010, the population of has changed by +2.9%%.
+2.9%% Growth
McLean County, Illinois Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
McLean County, Illinois Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 34.3 | 171,556 |
| 2023 | 34.2 | 170,882 |
| 2022 | 34.0 | 171,284 |
| 2021 | 33.6 | 171,455 |
| 2020 | 33.3 | 172,164 |
| 2019 | 33.1 | 172,578 |
| 2018 | 32.9 | 173,219 |
| 2017 | 32.7 | 173,231 |
| 2016 | 32.6 | 173,254 |
| 2015 | 32.7 | 173,114 |
| 2014 | 32.4 | 172,390 |
| 2013 | 32.2 | 171,240 |
| 2012 | 32.2 | 169,689 |
| 2011 | 31.9 | 168,234 |
| 2010 | 31.7 | 166,706 |
McLean County, Illinois Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.3% |
| 5–17 | 15.9% |
| 18–24 | 16.9% |
| 25–34 | 12.8% |
| 35–54 | 23.4% |
| 55–64 | 11.2% |
| 65+ | 14.6% |
Dependency Ratios for McLean County, Illinois
- Total Dependency Ratio:
- 55.7
- Youth Dependency:
- 33.0
- Old-Age Dependency:
- 22.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for McLean County, Illinois
The median age in McLean County, Illinois is 34.3 years.
According to latest Census data, the total population of McLean County, Illinois is 171,556.
In McLean County, Illinois, seniors (ages 65+) make up 14.6% of the population, while children under 18 represent 15.9%.
Based on historical data since 2010, the population in McLean County, Illinois is aging.