Lake Forest, IL population age distributions
A complete breakdown of Lake Forest'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 | 868 | 4.47% |
| 5 to 9 years | 993 | 5.11% |
| 10 to 14 years | 1,206 | 6.2% |
| 15 to 19 years | 1,684 | 8.66% |
| 20 to 24 years | 1,777 | 9.14% |
| 25 to 29 years | 973 | 5.01% |
| 30 to 34 years | 602 | 3.1% |
| 35 to 39 years | 729 | 3.75% |
| 40 to 44 years | 919 | 4.73% |
| 45 to 49 years | 981 | 5.05% |
| 50 to 54 years | 1,438 | 7.4% |
| 55 to 59 years | 1,457 | 7.5% |
| 60 to 64 years | 1,082 | 5.57% |
| 65 to 69 years | 1,257 | 6.47% |
| 70 to 74 years | 1,100 | 5.66% |
| 75 to 79 years | 958 | 4.93% |
| 80 to 84 years | 696 | 3.58% |
| 85 years and over | 716 | 3.68% |
TABLE OF CONTENTS
Lake Forest, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Lake Forest, IL population by age group.
The largest age group is 20 to 24 years with a population of 1,777 (9.14% of the total population).
The largest age group in Lake Forest, IL was for the group of age 20 to 24 years with a population of 1,777 (9.14%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Lake Forest, IL was the 30 to 34 years with a population of 602 (3.10%).
Lake Forest, IL population by age cohort
To better understand the age distribution of Lake Forest, 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
Lake Forest, IL population by age cohort
The largest age group was 18 to 64 years with a population of 10,806 (55.60% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Lake Forest 's population under 18 was 20.08%, compared to the 22.11% nationwide.
- Lake Forest's working population (between 18 and 64) was 55.60%, compared to 61.36% nationwide.
- Lake Forest's elderly or the senior population (over 65 age) was 24.32% as compared to 16.53% nationwide.
Lake Forest, IL population pyramid
Population pyramid for Lake Forest, 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 Lake Forest's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lake Forest, 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 Lake Forest, IL, is 40.6.
- Total dependency ratio for Lake Forest, IL is 66.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Lake Forest, IL is 2.5.
FIGURE 3
Lake Forest, IL population pyramid
Lake Forest population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Lake Forest, IL population pyramid
Here's the Lake Forest, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 433 | 435 | 868 |
| 5 to 9 years | 511 | 482 | 993 |
| 10 to 14 years | 627 | 579 | 1,206 |
| 15 to 19 years | 976 | 708 | 1,684 |
| 20 to 24 years | 829 | 948 | 1,777 |
| 25 to 29 years | 531 | 442 | 973 |
| 30 to 34 years | 343 | 259 | 602 |
| 35 to 39 years | 370 | 359 | 729 |
| 40 to 44 years | 362 | 557 | 919 |
| 45 to 49 years | 534 | 447 | 981 |
| 50 to 54 years | 659 | 779 | 1,438 |
| 55 to 59 years | 716 | 741 | 1,457 |
| 60 to 64 years | 515 | 567 | 1,082 |
| 65 to 69 years | 547 | 710 | 1,257 |
| 70 to 74 years | 495 | 605 | 1,100 |
| 75 to 79 years | 474 | 484 | 958 |
| 80 to 84 years | 259 | 437 | 696 |
| 85 years and over | 185 | 531 | 716 |
Things to know
What is the population of Lake Forest, IL under 18?
Lake Forest's population under the age of 18 is 3,903, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 20.08% of the total resident population of Lake Forest, IL.
What is the aging population in Lake Forest, IL?
Lake Forest's population aged 65 years and above was 4,727. As per the U.S. Census Bureau's American Community Survey, this population is 24.32% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates