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.

Related Topics: Florida ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Florida Percentages of Population By Age Group in 2021

55-59yrs

60-64yrs

50-54yrs

30-34yrs

25-29yrs

45-49yrs

35-39yrs

65-69yrs

40-44yrs

10-14yrs

Florida Percentages of Population By Age Cohort in 2021

Adults (18-64yrs)

Seniors (65yrs and Over)

Children (0-17yrs)

Florida Population By Age Group in 2021

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Age Group	Number of People	% of Total
55-59yrs	1481932	6.94
60-64yrs	1415791	6.64
50-54yrs	1397260	6.55
30-34yrs	1371911	6.43
25-29yrs	1370531	6.42
45-49yrs	1337970	6.27
35-39yrs	1331341	6.24
65-69yrs	1307871	6.13
40-44yrs	1295589	6.07
10-14yrs	1252281	5.87
20-24yrs	1244479	5.83
15-19yrs	1227017	5.75
5-9yrs	1147901	5.38
70-74yrs	1134802	5.32
Under 5yrs	1118794	5.24
75-79yrs	823366	3.86
85yrs and Over	545182	2.56
80-84yrs	535744	2.51

Florida Population By Age Cohort in 2021

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Age Cohort	Number of People	% of Total
Adults (18-64yrs)	12731484	59.66
Seniors (65yrs and Over)	4346965	20.37
Children (0-17yrs)	4261313	19.97