Florida 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 21.34M Florida population, the 55-59yrs age group constituted the highest percentage of the total population (6.94%), followed by the 60-64yrs age group (6.64%), and the 50-54yrs age group (6.55%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (59.66%), followed by Seniors (65yrs and Over) (20.37%), and Children (0-17yrs) (19.97%).

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 see similar information for other states, and the United States.

Florida Percentages of Population By Age Group in 2021
55-59yrs
6.94%
60-64yrs
6.64%
50-54yrs
6.55%
30-34yrs
6.43%
25-29yrs
6.42%
45-49yrs
6.27%
35-39yrs
6.24%
65-69yrs
6.13%
40-44yrs
6.07%
10-14yrs
5.87%
Florida Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
59.66%
Seniors (65yrs and Over)
20.37%
Children (0-17yrs)
19.97%
Florida Population By Age Group in 2021
Age Group
Number of People
% of Total
55-59yrs 1,481,932 6.94
60-64yrs 1,415,791 6.64
50-54yrs 1,397,260 6.55
30-34yrs 1,371,911 6.43
25-29yrs 1,370,531 6.42
45-49yrs 1,337,970 6.27
35-39yrs 1,331,341 6.24
65-69yrs 1,307,871 6.13
40-44yrs 1,295,589 6.07
10-14yrs 1,252,281 5.87
20-24yrs 1,244,479 5.83
15-19yrs 1,227,017 5.75
5-9yrs 1,147,901 5.38
70-74yrs 1,134,802 5.32
Under 5yrs 1,118,794 5.24
75-79yrs 823,366 3.86
85yrs and Over 545,182 2.56
80-84yrs 535,744 2.51
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Florida Population By Age Cohort in 2021
Age Cohort
Number of People
% of Total
Adults (18-64yrs) 12,731,484 59.66
Seniors (65yrs and Over) 4,346,965 20.37
Children (0-17yrs) 4,261,313 19.97
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