Siesta Key CDP, FL Population By Age Group and Age Cohort in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 5.42K Siesta Key CDP, FL population, the 70-74yrs age group constituted the highest percentage of the population (13.79%), followed by the 75-79yrs age group (12.83%), and the 65-69yrs age group (11.12%).

In the case of age cohorts, Seniors (65yrs and Over) constituted the highest percentage of the total population (54.87%), followed by Adults (18-64yrs) (38.66%), and Children (0-17yrs) (6.46%).

The first and second charts below shows the percentage of the population by age group and age cohort respectively. The table below also shows the number and percentages for each age group and age cohort.

You can also see similar information for other Florida cities and places, and for Florida.

Data Source: US Census Bureau.
Siesta Key CDP, FL Percentages of Population By Age Group in 2021
70-74yrs
75-79yrs
65-69yrs
60-64yrs
55-59yrs
80-84yrs
85yrs and Over
50-54yrs
15-19yrs
20-24yrs
Siesta Key CDP, FL Percentages of Population By Age Cohort in 2021
Seniors (65yrs and Over)
Adults (18-64yrs)
Children (0-17yrs)
Siesta Key CDP, FL Population By Age Group in 2021
0 of 0
Age Group Number of People % of Total
70-74yrs 747 13.79
75-79yrs 695 12.83
65-69yrs 602 11.12
60-64yrs 594 10.97
55-59yrs 556 10.27
80-84yrs 546 10.08
85yrs and Over 382 7.05
50-54yrs 350 6.46
15-19yrs 160 2.95
20-24yrs 132 2.44
25-29yrs 124 2.29
10-14yrs 119 2.20
45-49yrs 104 1.92
40-44yrs 101 1.87
35-39yrs 80 1.48
Under 5yrs 56 1.03
30-34yrs 39 0.72
5-9yrs 29 0.54
Siesta Key CDP, FL Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Seniors (65yrs and Over) 2972 54.87
Adults (18-64yrs) 2094 38.66
Children (0-17yrs) 350 6.46