Douglas County, IL population age distributions
A complete breakdown of Douglas County's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 1,338 | 6.79% |
| 5 to 9 years | 1,157 | 5.87% |
| 10 to 14 years | 1,492 | 7.57% |
| 15 to 19 years | 1,341 | 6.8% |
| 20 to 24 years | 1,131 | 5.74% |
| 25 to 29 years | 1,183 | 6% |
| 30 to 34 years | 1,294 | 6.56% |
| 35 to 39 years | 1,331 | 6.75% |
| 40 to 44 years | 1,062 | 5.39% |
| 45 to 49 years | 1,071 | 5.43% |
| 50 to 54 years | 1,072 | 5.44% |
| 55 to 59 years | 1,288 | 6.53% |
| 60 to 64 years | 1,300 | 6.59% |
| 65 to 69 years | 996 | 5.05% |
| 70 to 74 years | 1,010 | 5.12% |
| 75 to 79 years | 617 | 3.13% |
| 80 to 84 years | 450 | 2.28% |
| 85 years and over | 581 | 2.95% |
TABLE OF CONTENTS
Douglas County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Douglas County, IL population by age group.
The largest age group is 10 to 14 years with a population of 1,492 (7.57% of the total population).
The largest age group in Douglas County, IL was for the group of age 10 to 14 years with a population of 1,492 (7.57%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Douglas County, IL was the 80 to 84 years with a population of 450 (2.28%).
Douglas County, IL population by age cohort
To better understand the age distribution of Douglas County, IL's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Douglas County, IL population by age cohort
The largest age group was 18 to 64 years with a population of 11,227 (56.95% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Douglas County 's population under 18 was 24.52%, compared to the 22.11% nationwide.
- Douglas County's working population (between 18 and 64) was 56.95%, compared to 61.36% nationwide.
- Douglas County's elderly or the senior population (over 65 age) was 18.54% as compared to 16.53% nationwide.
Douglas County, IL population pyramid
Population pyramid for Douglas County, IL is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Douglas County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Douglas County, IL, is 33.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Douglas County, IL, is 30.3.
- Total dependency ratio for Douglas County, IL is 63.3.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Douglas County, IL is 3.3.
FIGURE 3
Douglas County, IL population pyramid
Douglas County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Douglas County, IL population pyramid
Here's the Douglas County, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 612 | 726 | 1,338 |
| 5 to 9 years | 576 | 581 | 1,157 |
| 10 to 14 years | 770 | 722 | 1,492 |
| 15 to 19 years | 672 | 669 | 1,341 |
| 20 to 24 years | 609 | 522 | 1,131 |
| 25 to 29 years | 601 | 582 | 1,183 |
| 30 to 34 years | 657 | 637 | 1,294 |
| 35 to 39 years | 689 | 642 | 1,331 |
| 40 to 44 years | 560 | 502 | 1,062 |
| 45 to 49 years | 534 | 537 | 1,071 |
| 50 to 54 years | 537 | 535 | 1,072 |
| 55 to 59 years | 679 | 609 | 1,288 |
| 60 to 64 years | 651 | 649 | 1,300 |
| 65 to 69 years | 499 | 497 | 996 |
| 70 to 74 years | 460 | 550 | 1,010 |
| 75 to 79 years | 269 | 348 | 617 |
| 80 to 84 years | 167 | 283 | 450 |
| 85 years and over | 224 | 357 | 581 |
Things to know
What is the population of Douglas County, IL under 18?
Douglas County's population under the age of 18 is 4,833, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.52% of the total resident population of Douglas County, IL.
What is the aging population in Douglas County, IL?
Douglas County's population aged 65 years and above was 3,654. As per the U.S. Census Bureau's American Community Survey, this population is 18.54% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates