South Miami city, 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 12.00K South Miami city, FL population, the 20-24yrs age group constituted the highest percentage of the population (9.04%), followed by the 25-29yrs age group (9.04%), and the 65-69yrs age group (7.47%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (65.56%), followed by Children (0-17yrs) (18.44%), and Seniors (65yrs and Over) (16.00%).

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.
South Miami city, FL Percentages of Population By Age Group in 2021
20-24yrs
25-29yrs
65-69yrs
55-59yrs
60-64yrs
30-34yrs
45-49yrs
40-44yrs
50-54yrs
10-14yrs
South Miami city, FL Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
South Miami city, FL Population By Age Group in 2021
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Age Group Number of People % of Total
20-24yrs 1085 9.04
25-29yrs 1085 9.04
65-69yrs 896 7.47
55-59yrs 845 7.04
60-64yrs 832 6.94
30-34yrs 829 6.91
45-49yrs 793 6.61
40-44yrs 789 6.58
50-54yrs 721 6.01
10-14yrs 682 5.69
Under 5yrs 640 5.34
15-19yrs 620 5.17
5-9yrs 588 4.90
35-39yrs 568 4.74
70-74yrs 497 4.14
85yrs and Over 223 1.86
75-79yrs 203 1.69
80-84yrs 101 0.84
South Miami city, FL Population By Age Cohort in 2021
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Age Cohort Number of People % of Total
Adults (18-64yrs) 7865 65.56
Children (0-17yrs) 2212 18.44
Seniors (65yrs and Over) 1920 16.00