McLean County, IL population age distributions
A complete breakdown of McLean 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 | 9,480 | 5.53% |
| 5 to 9 years | 9,763 | 5.7% |
| 10 to 14 years | 10,852 | 6.34% |
| 15 to 19 years | 14,791 | 8.64% |
| 20 to 24 years | 20,959 | 12.24% |
| 25 to 29 years | 11,212 | 6.55% |
| 30 to 34 years | 10,531 | 6.15% |
| 35 to 39 years | 10,339 | 6.04% |
| 40 to 44 years | 10,717 | 6.26% |
| 45 to 49 years | 9,418 | 5.5% |
| 50 to 54 years | 9,611 | 5.61% |
| 55 to 59 years | 10,389 | 6.07% |
| 60 to 64 years | 9,338 | 5.45% |
| 65 to 69 years | 8,101 | 4.73% |
| 70 to 74 years | 6,299 | 3.68% |
| 75 to 79 years | 3,884 | 2.27% |
| 80 to 84 years | 2,845 | 1.66% |
| 85 years and over | 2,755 | 1.61% |
TABLE OF CONTENTS
McLean County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
McLean County, IL population by age group.
The largest age group is 20 to 24 years with a population of 20,959 (12.24% of the total population).
The largest age group in McLean County, IL was for the group of age 20 to 24 years with a population of 20,959 (12.24%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in McLean County, IL was the 85 years and over with a population of 2,755 (1.61%).
McLean County, IL population by age cohort
To better understand the age distribution of McLean 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
McLean County, IL population by age cohort
The largest age group was 18 to 64 years with a population of 110,911 (64.75% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- McLean County 's population under 18 was 21.30%, compared to the 22.11% nationwide.
- McLean County's working population (between 18 and 64) was 64.75%, compared to 61.36% nationwide.
- McLean County's elderly or the senior population (over 65 age) was 13.94% as compared to 16.53% nationwide.
McLean County, IL population pyramid
Population pyramid for McLean 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 McLean County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for McLean County, IL, is 25.7.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for McLean County, IL, is 20.4.
- Total dependency ratio for McLean County, IL is 46.0.
- Potential support ratio, which is the number of youth (working age population) per elderly, for McLean County, IL is 4.9.
FIGURE 3
McLean County, IL population pyramid
McLean County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
McLean County, IL population pyramid
Here's the McLean County, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 4,790 | 4,690 | 9,480 |
| 5 to 9 years | 4,928 | 4,835 | 9,763 |
| 10 to 14 years | 5,519 | 5,333 | 10,852 |
| 15 to 19 years | 6,953 | 7,838 | 14,791 |
| 20 to 24 years | 10,288 | 10,671 | 20,959 |
| 25 to 29 years | 5,636 | 5,576 | 11,212 |
| 30 to 34 years | 5,280 | 5,251 | 10,531 |
| 35 to 39 years | 5,215 | 5,124 | 10,339 |
| 40 to 44 years | 5,461 | 5,256 | 10,717 |
| 45 to 49 years | 4,780 | 4,638 | 9,418 |
| 50 to 54 years | 4,748 | 4,863 | 9,611 |
| 55 to 59 years | 5,195 | 5,194 | 10,389 |
| 60 to 64 years | 4,459 | 4,879 | 9,338 |
| 65 to 69 years | 3,739 | 4,362 | 8,101 |
| 70 to 74 years | 3,010 | 3,289 | 6,299 |
| 75 to 79 years | 1,677 | 2,207 | 3,884 |
| 80 to 84 years | 1,164 | 1,681 | 2,845 |
| 85 years and over | 1,080 | 1,675 | 2,755 |
Things to know
What is the population of McLean County, IL under 18?
McLean County's population under the age of 18 is 36,489, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.30% of the total resident population of McLean County, IL.
What is the aging population in McLean County, IL?
McLean County's population aged 65 years and above was 23,884. As per the U.S. Census Bureau's American Community Survey, this population is 13.94% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates