LaSalle County, IL population age distributions
A complete breakdown of LaSalle 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 | 5,778 | 5.28% |
| 5 to 9 years | 6,607 | 6.03% |
| 10 to 14 years | 6,390 | 5.84% |
| 15 to 19 years | 6,849 | 6.26% |
| 20 to 24 years | 6,372 | 5.82% |
| 25 to 29 years | 6,844 | 6.25% |
| 30 to 34 years | 6,543 | 5.98% |
| 35 to 39 years | 7,052 | 6.44% |
| 40 to 44 years | 6,469 | 5.91% |
| 45 to 49 years | 6,281 | 5.74% |
| 50 to 54 years | 6,988 | 6.38% |
| 55 to 59 years | 8,612 | 7.87% |
| 60 to 64 years | 7,766 | 7.09% |
| 65 to 69 years | 6,426 | 5.87% |
| 70 to 74 years | 5,653 | 5.16% |
| 75 to 79 years | 3,414 | 3.12% |
| 80 to 84 years | 2,745 | 2.51% |
| 85 years and over | 2,706 | 2.47% |
TABLE OF CONTENTS
LaSalle County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
LaSalle County, IL population by age group.
The largest age group is 55 to 59 years with a population of 8,612 (7.87% of the total population).
The largest age group in LaSalle County, IL was for the group of age 55 to 59 years with a population of 8,612 (7.87%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in LaSalle County, IL was the 85 years and over with a population of 2,706 (2.47%).
LaSalle County, IL population by age cohort
To better understand the age distribution of LaSalle 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
LaSalle County, IL population by age cohort
The largest age group was 18 to 64 years with a population of 65,320 (59.66% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- LaSalle County 's population under 18 was 21.22%, compared to the 22.11% nationwide.
- LaSalle County's working population (between 18 and 64) was 59.66%, compared to 61.36% nationwide.
- LaSalle County's elderly or the senior population (over 65 age) was 19.13% as compared to 16.53% nationwide.
LaSalle County, IL population pyramid
Population pyramid for LaSalle 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 LaSalle County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for LaSalle County, IL, is 26.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for LaSalle County, IL, is 30.0.
- Total dependency ratio for LaSalle County, IL is 56.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for LaSalle County, IL is 3.3.
FIGURE 3
LaSalle County, IL population pyramid
LaSalle County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
LaSalle County, IL population pyramid
Here's the LaSalle County, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 3,038 | 2,740 | 5,778 |
| 5 to 9 years | 3,280 | 3,327 | 6,607 |
| 10 to 14 years | 3,397 | 2,993 | 6,390 |
| 15 to 19 years | 3,529 | 3,320 | 6,849 |
| 20 to 24 years | 3,357 | 3,015 | 6,372 |
| 25 to 29 years | 3,770 | 3,074 | 6,844 |
| 30 to 34 years | 3,438 | 3,105 | 6,543 |
| 35 to 39 years | 3,846 | 3,206 | 7,052 |
| 40 to 44 years | 3,412 | 3,057 | 6,469 |
| 45 to 49 years | 3,225 | 3,056 | 6,281 |
| 50 to 54 years | 3,542 | 3,446 | 6,988 |
| 55 to 59 years | 4,343 | 4,269 | 8,612 |
| 60 to 64 years | 3,926 | 3,840 | 7,766 |
| 65 to 69 years | 3,351 | 3,075 | 6,426 |
| 70 to 74 years | 2,653 | 3,000 | 5,653 |
| 75 to 79 years | 1,485 | 1,929 | 3,414 |
| 80 to 84 years | 1,153 | 1,592 | 2,745 |
| 85 years and over | 1,016 | 1,690 | 2,706 |
Things to know
What is the population of LaSalle County, IL under 18?
LaSalle County's population under the age of 18 is 23,231, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.22% of the total resident population of LaSalle County, IL.
What is the aging population in LaSalle County, IL?
LaSalle County's population aged 65 years and above was 20,944. As per the U.S. Census Bureau's American Community Survey, this population is 19.13% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates