Douglas County, Illinois Age & Gender Distribution (2024)
Population distribution by age and gender for Douglas County, Illinois
Douglas County, Illinois Age & Gender Statistics (2024)
Total Population
19,751
Median Age
38.7
Male Median
37.3
Female Median
39.3
Douglas County, Illinois Population Growth
Douglas County, Illinois Demographic Trend
Since 2010, the population of has changed by -1.3%%.
-1.3%% Growth
Douglas County, Illinois Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Douglas County, Illinois Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 38.7 | 19,751 |
| 2023 | 38.9 | 19,686 |
| 2022 | 38.6 | 19,714 |
| 2021 | 38.4 | 19,708 |
| 2020 | 38.2 | 19,551 |
| 2019 | 37.8 | 19,623 |
| 2018 | 37.9 | 19,714 |
| 2017 | 37.9 | 19,830 |
| 2016 | 38.0 | 19,770 |
| 2015 | 38.3 | 19,826 |
| 2014 | 38.3 | 19,867 |
| 2013 | 38.3 | 19,902 |
| 2012 | 38.3 | 19,908 |
| 2011 | 37.8 | 19,958 |
| 2010 | 37.6 | 20,012 |
Douglas County, Illinois Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.8% |
| 5–17 | 17.8% |
| 18–24 | 7.9% |
| 25–34 | 12.6% |
| 35–54 | 23.6% |
| 55–64 | 12.6% |
| 65+ | 18.6% |
Dependency Ratios for Douglas County, Illinois
- Total Dependency Ratio:
- 76.1
- Youth Dependency:
- 43.3
- Old-Age Dependency:
- 32.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Douglas County, Illinois
The median age in Douglas County, Illinois is 38.7 years.
According to latest Census data, the total population of Douglas County, Illinois is 19,751.
In Douglas County, Illinois, seniors (ages 65+) make up 18.6% of the population, while children under 18 represent 17.8%.
Based on historical data since 2010, the population in Douglas County, Illinois has remained stable.