Lake Bluff, IL population age distributions
A complete breakdown of Lake Bluff'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 | 440 | 7.54% |
| 5 to 9 years | 356 | 6.1% |
| 10 to 14 years | 441 | 7.56% |
| 15 to 19 years | 375 | 6.43% |
| 20 to 24 years | 202 | 3.46% |
| 25 to 29 years | 82 | 1.41% |
| 30 to 34 years | 224 | 3.84% |
| 35 to 39 years | 362 | 6.21% |
| 40 to 44 years | 450 | 7.71% |
| 45 to 49 years | 426 | 7.3% |
| 50 to 54 years | 356 | 6.1% |
| 55 to 59 years | 380 | 6.51% |
| 60 to 64 years | 529 | 9.07% |
| 65 to 69 years | 340 | 5.83% |
| 70 to 74 years | 407 | 6.98% |
| 75 to 79 years | 161 | 2.76% |
| 80 to 84 years | 193 | 3.31% |
| 85 years and over | 110 | 1.89% |
TABLE OF CONTENTS
Lake Bluff, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
Lake Bluff, IL population by age group.
The largest age group is 60 to 64 years with a population of 529 (9.07% of the total population).
The largest age group in Lake Bluff, IL was for the group of age 60 to 64 years with a population of 529 (9.07%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in Lake Bluff, IL was the 25 to 29 years with a population of 82 (1.41%).
Lake Bluff, IL population by age cohort
To better understand the age distribution of Lake Bluff, 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 Bluff, IL population by age cohort
The largest age group was 18 to 64 years with a population of 3,094 (53.03% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Lake Bluff 's population under 18 was 26.21%, compared to the 22.16% nationwide.
- Lake Bluff's working population (between 18 and 64) was 53.03%, compared to 61% nationwide.
- Lake Bluff's elderly or the senior population (over 65 age) was 20.76% as compared to 16.84% nationwide.
Lake Bluff, IL population pyramid
Population pyramid for Lake Bluff, 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 Bluff's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lake Bluff, IL, is 36.5.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lake Bluff, IL, is 35.8.
- Total dependency ratio for Lake Bluff, IL is 72.3.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Lake Bluff, IL is 2.8.
FIGURE 3
Lake Bluff, IL population pyramid
Lake Bluff population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Lake Bluff, IL population pyramid
Here's the Lake Bluff, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 238 | 202 | 440 |
| 5 to 9 years | 255 | 101 | 356 |
| 10 to 14 years | 203 | 238 | 441 |
| 15 to 19 years | 172 | 203 | 375 |
| 20 to 24 years | 90 | 112 | 202 |
| 25 to 29 years | 67 | 15 | 82 |
| 30 to 34 years | 78 | 146 | 224 |
| 35 to 39 years | 184 | 178 | 362 |
| 40 to 44 years | 230 | 220 | 450 |
| 45 to 49 years | 182 | 244 | 426 |
| 50 to 54 years | 211 | 145 | 356 |
| 55 to 59 years | 149 | 231 | 380 |
| 60 to 64 years | 258 | 271 | 529 |
| 65 to 69 years | 178 | 162 | 340 |
| 70 to 74 years | 117 | 290 | 407 |
| 75 to 79 years | 63 | 98 | 161 |
| 80 to 84 years | 133 | 60 | 193 |
| 85 years and over | 52 | 58 | 110 |
Things to know
What is the population of Lake Bluff, IL under 18?
Lake Bluff's population under the age of 18 is 1,529, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.21% of the total resident population of Lake Bluff, IL.
What is the aging population in Lake Bluff, IL?
Lake Bluff's population aged 65 years and above was 1,211. As per the U.S. Census Bureau's American Community Survey, this population is 20.76% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates