Key Biscayne, FL population age distributions
A complete breakdown of Key Biscayne'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 | 653 | 4.48% |
| 5 to 9 years | 940 | 6.45% |
| 10 to 14 years | 1,941 | 13.32% |
| 15 to 19 years | 1,392 | 9.55% |
| 20 to 24 years | 594 | 4.08% |
| 25 to 29 years | 278 | 1.91% |
| 30 to 34 years | 443 | 3.04% |
| 35 to 39 years | 749 | 5.14% |
| 40 to 44 years | 789 | 5.41% |
| 45 to 49 years | 1,775 | 12.18% |
| 50 to 54 years | 1,370 | 9.4% |
| 55 to 59 years | 807 | 5.54% |
| 60 to 64 years | 587 | 4.03% |
| 65 to 69 years | 567 | 3.89% |
| 70 to 74 years | 612 | 4.2% |
| 75 to 79 years | 427 | 2.93% |
| 80 to 84 years | 450 | 3.09% |
| 85 years and over | 198 | 1.36% |
TABLE OF CONTENTS
Key Biscayne, FL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Key Biscayne, FL population by age group.
The largest age group is 10 to 14 years with a population of 1,941 (13.32% of the total population).
The largest age group in Key Biscayne, FL was for the group of age 10 to 14 years with a population of 1,941 (13.32%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Key Biscayne, FL was the 85 years and over with a population of 198 (1.36%).
Key Biscayne, FL population by age cohort
To better understand the age distribution of Key Biscayne, FL'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
Key Biscayne, FL population by age cohort
The largest age group was 18 to 64 years with a population of 7,736 (53.09% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Key Biscayne 's population under 18 was 31.44%, compared to the 22.11% nationwide.
- Key Biscayne's working population (between 18 and 64) was 53.09%, compared to 61.36% nationwide.
- Key Biscayne's elderly or the senior population (over 65 age) was 15.47% as compared to 16.53% nationwide.
Key Biscayne, FL population pyramid
Population pyramid for Key Biscayne, FL 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 Key Biscayne's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Key Biscayne, FL, is 40.2.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Key Biscayne, FL, is 25.7.
- Total dependency ratio for Key Biscayne, FL is 65.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Key Biscayne, FL is 3.9.
FIGURE 3
Key Biscayne, FL population pyramid
Key Biscayne population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Key Biscayne, FL population pyramid
Here's the Key Biscayne, FL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 373 | 280 | 653 |
| 5 to 9 years | 592 | 348 | 940 |
| 10 to 14 years | 1,126 | 815 | 1,941 |
| 15 to 19 years | 755 | 637 | 1,392 |
| 20 to 24 years | 310 | 284 | 594 |
| 25 to 29 years | 159 | 119 | 278 |
| 30 to 34 years | 163 | 280 | 443 |
| 35 to 39 years | 339 | 410 | 749 |
| 40 to 44 years | 370 | 419 | 789 |
| 45 to 49 years | 763 | 1,012 | 1,775 |
| 50 to 54 years | 657 | 713 | 1,370 |
| 55 to 59 years | 412 | 395 | 807 |
| 60 to 64 years | 274 | 313 | 587 |
| 65 to 69 years | 222 | 345 | 567 |
| 70 to 74 years | 218 | 394 | 612 |
| 75 to 79 years | 168 | 259 | 427 |
| 80 to 84 years | 232 | 218 | 450 |
| 85 years and over | 70 | 128 | 198 |
Things to know
What is the population of Key Biscayne, FL under 18?
Key Biscayne's population under the age of 18 is 4,582, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 31.44% of the total resident population of Key Biscayne, FL.
What is the aging population in Key Biscayne, FL?
Key Biscayne's population aged 65 years and above was 2,254. As per the U.S. Census Bureau's American Community Survey, this population is 15.47% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates