Clinton County, Illinois Age & Gender Distribution (2024)
Population distribution by age and gender for Clinton County, Illinois
Clinton County, Illinois Age & Gender Statistics (2024)
Total Population
36,954
Median Age
41.5
Male Median
40.3
Female Median
42.8
Clinton County, Illinois Population Growth
Clinton County, Illinois Demographic Trend
Since 2010, the population of has changed by -1.2%%.
-1.2%% Growth
Clinton County, Illinois Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Clinton County, Illinois Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.5 | 36,954 |
| 2023 | 41.4 | 36,899 |
| 2022 | 41.0 | 36,998 |
| 2021 | 41.2 | 37,048 |
| 2020 | 40.6 | 37,549 |
| 2019 | 40.6 | 37,634 |
| 2018 | 40.2 | 37,628 |
| 2017 | 40.4 | 37,640 |
| 2016 | 40.1 | 37,858 |
| 2015 | 40.1 | 37,929 |
| 2014 | 40.1 | 37,952 |
| 2013 | 40.0 | 37,891 |
| 2012 | 39.4 | 37,793 |
| 2011 | 39.0 | 37,577 |
| 2010 | 39.2 | 37,395 |
Clinton County, Illinois Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.6% |
| 5–17 | 16.0% |
| 18–24 | 6.9% |
| 25–34 | 12.4% |
| 35–54 | 25.4% |
| 55–64 | 14.9% |
| 65+ | 18.8% |
Dependency Ratios for Clinton County, Illinois
- Total Dependency Ratio:
- 67.8
- Youth Dependency:
- 36.2
- Old-Age Dependency:
- 31.6
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Clinton County, Illinois
The median age in Clinton County, Illinois is 41.5 years.
According to latest Census data, the total population of Clinton County, Illinois is 36,954.
In Clinton County, Illinois, seniors (ages 65+) make up 18.8% of the population, while children under 18 represent 16.0%.
Based on historical data since 2010, the population in Clinton County, Illinois is aging.