Kendall County, IL population age distributions
A complete breakdown of Kendall 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 | 8,227 | 6.2% |
| 5 to 9 years | 11,856 | 8.93% |
| 10 to 14 years | 9,710 | 7.31% |
| 15 to 19 years | 10,589 | 7.97% |
| 20 to 24 years | 7,504 | 5.65% |
| 25 to 29 years | 7,599 | 5.72% |
| 30 to 34 years | 8,701 | 6.55% |
| 35 to 39 years | 9,890 | 7.45% |
| 40 to 44 years | 11,764 | 8.86% |
| 45 to 49 years | 10,192 | 7.67% |
| 50 to 54 years | 8,986 | 6.77% |
| 55 to 59 years | 7,715 | 5.81% |
| 60 to 64 years | 5,750 | 4.33% |
| 65 to 69 years | 5,282 | 3.98% |
| 70 to 74 years | 3,650 | 2.75% |
| 75 to 79 years | 2,675 | 2.01% |
| 80 to 84 years | 1,182 | 0.89% |
| 85 years and over | 1,523 | 1.15% |
TABLE OF CONTENTS
Kendall County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Kendall County, IL population by age group.
The largest age group is 5 to 9 years with a population of 11,856 (8.93% of the total population).
The largest age group in Kendall County, IL was for the group of age 5 to 9 years with a population of 11,856 (8.93%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Kendall County, IL was the 80 to 84 years with a population of 1,182 (0.89%).
Kendall County, IL population by age cohort
To better understand the age distribution of Kendall 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
Kendall County, IL population by age cohort
The largest age group was 18 to 64 years with a population of 81,741 (61.55% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Kendall County 's population under 18 was 27.67%, compared to the 22.11% nationwide.
- Kendall County's working population (between 18 and 64) was 61.55%, compared to 61.36% nationwide.
- Kendall County's elderly or the senior population (over 65 age) was 10.78% as compared to 16.53% nationwide.
Kendall County, IL population pyramid
Population pyramid for Kendall 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 Kendall County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Kendall County, IL, is 33.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Kendall County, IL, is 16.1.
- Total dependency ratio for Kendall County, IL is 49.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Kendall County, IL is 6.2.
FIGURE 3
Kendall County, IL population pyramid
Kendall County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Kendall County, IL population pyramid
Here's the Kendall County, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 4,233 | 3,994 | 8,227 |
| 5 to 9 years | 6,206 | 5,650 | 11,856 |
| 10 to 14 years | 4,851 | 4,859 | 9,710 |
| 15 to 19 years | 5,527 | 5,062 | 10,589 |
| 20 to 24 years | 3,993 | 3,511 | 7,504 |
| 25 to 29 years | 3,549 | 4,050 | 7,599 |
| 30 to 34 years | 4,263 | 4,438 | 8,701 |
| 35 to 39 years | 5,046 | 4,844 | 9,890 |
| 40 to 44 years | 5,774 | 5,990 | 11,764 |
| 45 to 49 years | 5,201 | 4,991 | 10,192 |
| 50 to 54 years | 4,616 | 4,370 | 8,986 |
| 55 to 59 years | 4,066 | 3,649 | 7,715 |
| 60 to 64 years | 2,622 | 3,128 | 5,750 |
| 65 to 69 years | 2,538 | 2,744 | 5,282 |
| 70 to 74 years | 1,666 | 1,984 | 3,650 |
| 75 to 79 years | 1,300 | 1,375 | 2,675 |
| 80 to 84 years | 422 | 760 | 1,182 |
| 85 years and over | 497 | 1,026 | 1,523 |
Things to know
What is the population of Kendall County, IL under 18?
Kendall County's population under the age of 18 is 36,742, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 27.67% of the total resident population of Kendall County, IL.
What is the aging population in Kendall County, IL?
Kendall County's population aged 65 years and above was 14,312. As per the U.S. Census Bureau's American Community Survey, this population is 10.78% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates