Montgomery County, IL population age distributions
A complete breakdown of Montgomery 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 | 1,469 | 5.18% |
| 5 to 9 years | 1,588 | 5.6% |
| 10 to 14 years | 1,614 | 5.69% |
| 15 to 19 years | 1,564 | 5.52% |
| 20 to 24 years | 1,529 | 5.39% |
| 25 to 29 years | 1,789 | 6.31% |
| 30 to 34 years | 1,715 | 6.05% |
| 35 to 39 years | 2,005 | 7.07% |
| 40 to 44 years | 1,548 | 5.46% |
| 45 to 49 years | 1,611 | 5.68% |
| 50 to 54 years | 1,891 | 6.67% |
| 55 to 59 years | 1,931 | 6.81% |
| 60 to 64 years | 2,171 | 7.66% |
| 65 to 69 years | 1,896 | 6.69% |
| 70 to 74 years | 1,361 | 4.8% |
| 75 to 79 years | 1,097 | 3.87% |
| 80 to 84 years | 706 | 2.49% |
| 85 years and over | 867 | 3.06% |
TABLE OF CONTENTS
Montgomery County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Montgomery County, IL population by age group.
The largest age group is 60 to 64 years with a population of 2,171 (7.66% of the total population).
The largest age group in Montgomery County, IL was for the group of age 60 to 64 years with a population of 2,171 (7.66%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Montgomery County, IL was the 80 to 84 years with a population of 706 (2.49%).
Montgomery County, IL population by age cohort
To better understand the age distribution of Montgomery 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
Montgomery County, IL population by age cohort
The largest age group was 18 to 64 years with a population of 16,760 (59.11% of the total population).
Montgomery County, IL population by age cohort
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 5,665 | 19.98% |
| 18 to 64 years | 16,760 | 59.11% |
| 65 years and over | 5,927 | 20.91% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Montgomery County 's population under 18 was 19.98%, compared to the 22.11% nationwide.
- Montgomery County's working population (between 18 and 64) was 59.11%, compared to 61.36% nationwide.
- Montgomery County's elderly or the senior population (over 65 age) was 20.91% as compared to 16.53% nationwide.
Montgomery County, IL population pyramid
Population pyramid for Montgomery 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 Montgomery County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Montgomery County, IL, is 26.3.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Montgomery County, IL, is 33.4.
- Total dependency ratio for Montgomery County, IL is 59.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Montgomery County, IL is 3.0.
FIGURE 3
Montgomery County, IL population pyramid
Montgomery County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Montgomery County, IL population pyramid
Here's the Montgomery County, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 712 | 757 | 1,469 |
| 5 to 9 years | 699 | 889 | 1,588 |
| 10 to 14 years | 937 | 677 | 1,614 |
| 15 to 19 years | 820 | 744 | 1,564 |
| 20 to 24 years | 912 | 617 | 1,529 |
| 25 to 29 years | 1,135 | 654 | 1,789 |
| 30 to 34 years | 1,021 | 694 | 1,715 |
| 35 to 39 years | 1,154 | 851 | 2,005 |
| 40 to 44 years | 919 | 629 | 1,548 |
| 45 to 49 years | 909 | 702 | 1,611 |
| 50 to 54 years | 1,013 | 878 | 1,891 |
| 55 to 59 years | 955 | 976 | 1,931 |
| 60 to 64 years | 1,117 | 1,054 | 2,171 |
| 65 to 69 years | 936 | 960 | 1,896 |
| 70 to 74 years | 731 | 630 | 1,361 |
| 75 to 79 years | 510 | 587 | 1,097 |
| 80 to 84 years | 292 | 414 | 706 |
| 85 years and over | 234 | 633 | 867 |
Things to know
What is the population of Montgomery County, IL under 18?
Montgomery County's population under the age of 18 is 5,665, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.98% of the total resident population of Montgomery County, IL.
What is the aging population in Montgomery County, IL?
Montgomery County's population aged 65 years and above was 5,927. As per the U.S. Census Bureau's American Community Survey, this population is 20.91% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates