Madison County, IL population age distribution
A complete breakdown of Madison 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 | 14,878 | 5.59% |
5 to 9 years | 16,537 | 6.21% |
10 to 14 years | 16,795 | 6.31% |
15 to 19 years | 16,539 | 6.22% |
20 to 24 years | 15,218 | 5.72% |
25 to 29 years | 17,202 | 6.46% |
30 to 34 years | 17,675 | 6.64% |
35 to 39 years | 17,548 | 6.59% |
40 to 44 years | 15,650 | 5.88% |
45 to 49 years | 16,509 | 6.2% |
50 to 54 years | 17,314 | 6.51% |
55 to 59 years | 19,035 | 7.15% |
60 to 64 years | 19,287 | 7.25% |
65 to 69 years | 14,979 | 5.63% |
70 to 74 years | 11,982 | 4.5% |
75 to 79 years | 8,151 | 3.06% |
80 to 84 years | 5,388 | 2.02% |
85 years and over | 5,425 | 2.04% |
TABLE OF CONTENTS
Madison County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
![Madison County, IL population by age group The graph shows Madison County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis](https://i.neilsberg.com/ch/madison-county-il-population-by-age-group.jpeg)
The largest age group in Madison County, IL was for the group of age 60-64 years with a population of 19,287 (7.25%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Madison County, IL was the 80-84 years with a population of 5,388 (2.02%).
Madison County, IL population by age cohort
To better understand the age distribution of Madison 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
![Madison County, IL population by age cohort The pie chart shows Madison County's population divided into segments, with each segment representing an age cohort. The area of each segment is in the same proportion of a circle as the population of the cohort is of the total population.](https://i.neilsberg.com/ch/madison-county-il-population-by-age-cohorts.jpeg)
Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 58,478 | 21.97% |
18 to 64 years | 161,709 | 60.77% |
85 years and over | 45,925 | 17.26% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Madison County's population under 18 was 21.97%, compared to the 22.51% nationwide.
- Madison County's working population (between 18 and 64) was 60.77%, compared to 61.45% nationwide.
- Madison County's elderly or the senior population (over 65 age) was 17.26% as compared to 16.04% nationwide.
Madison County, IL population pyramid
Population pyramid for Madison 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 Madison County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Madison County, IL, is 28.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Madison County, IL, is 26.7.
- Total dependency ratio for Madison County, IL is 54.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Madison County, IL is 3.7.
![Madison County, IL population pyramid The graph shows Madison County's population across different age group and gender, with population on x-axis and population y-axis. The male population is plotted on the left in blue color whereas the female population is plotted on the right in pink color.](https://i.neilsberg.com/ch/madison-county-il-population-by-age-and-gender-population-pyramid.jpeg)
Here's the Madison County, IL's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 7,729 | 7,149 | 14,878 |
5 to 9 years | 8,522 | 8,015 | 16,537 |
10 to 14 years | 8,560 | 8,235 | 16,795 |
15 to 19 years | 8,554 | 7,985 | 16,539 |
20 to 24 years | 7,601 | 7,617 | 15,218 |
25 to 29 years | 8,499 | 8,703 | 17,202 |
30 to 34 years | 8,725 | 8,950 | 17,675 |
35 to 39 years | 8,630 | 8,918 | 17,548 |
40 to 44 years | 7,710 | 7,940 | 15,650 |
45 to 49 years | 8,104 | 8,405 | 16,509 |
50 to 54 years | 8,641 | 8,673 | 17,314 |
55 to 59 years | 9,470 | 9,565 | 19,035 |
60 to 64 years | 9,493 | 9,794 | 19,287 |
65 to 69 years | 7,175 | 7,804 | 14,979 |
70 to 74 years | 5,384 | 6,598 | 11,982 |
75 to 79 years | 3,347 | 4,804 | 8,151 |
80 to 84 years | 2,253 | 3,135 | 5,388 |
85 years and over | 1,992 | 3,433 | 5,425 |
Things to know
What is the population of Madison County, IL under 18?
Madison County's population under the age of 18 is 58,478, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.97% of the total resident population of Madison County, IL.
What is the aging population in Madison County, IL?
Madison County's population aged 65 years and above was 45,925. As per the U.S. Census Bureau's American Community Survey, this population is 17.26% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates