De Witt County, Illinois Age & Gender Distribution (2024)
Population distribution by age and gender for De Witt County, Illinois
De Witt County, Illinois Age & Gender Statistics (2024)
Total Population
15,373
Median Age
43.7
Male Median
42.6
Female Median
44.5
De Witt County, Illinois Population Growth
De Witt County, Illinois Demographic Trend
Since 2010, the population of has changed by -7.8%%.
-7.8%% Growth
De Witt County, Illinois Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
De Witt County, Illinois Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 43.7 | 15,373 |
| 2023 | 44.0 | 15,461 |
| 2022 | 44.0 | 15,535 |
| 2021 | 44.2 | 15,653 |
| 2020 | 44.2 | 15,764 |
| 2019 | 43.6 | 15,932 |
| 2018 | 43.1 | 16,042 |
| 2017 | 42.8 | 16,176 |
| 2016 | 43.3 | 16,322 |
| 2015 | 42.8 | 16,388 |
| 2014 | 42.4 | 16,461 |
| 2013 | 42.2 | 16,511 |
| 2012 | 42.0 | 16,562 |
| 2011 | 42.2 | 16,635 |
| 2010 | 41.4 | 16,672 |
De Witt County, Illinois Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.8% |
| 5–17 | 15.6% |
| 18–24 | 7.2% |
| 25–34 | 11.0% |
| 35–54 | 24.9% |
| 55–64 | 14.9% |
| 65+ | 20.7% |
Dependency Ratios for De Witt County, Illinois
- Total Dependency Ratio:
- 72.5
- Youth Dependency:
- 36.8
- Old-Age Dependency:
- 35.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for De Witt County, Illinois
The median age in De Witt County, Illinois is 43.7 years.
According to latest Census data, the total population of De Witt County, Illinois is 15,373.
In De Witt County, Illinois, seniors (ages 65+) make up 20.7% of the population, while children under 18 represent 15.6%.
Based on historical data since 2010, the population in De Witt County, Illinois is aging.