Marathon 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 9.62K Marathon city, FL population, the 55-59yrs age group constituted the highest percentage of the population (8.87%), followed by the 65-69yrs age group (8.51%), and the 45-49yrs age group (7.97%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (60.63%), followed by Seniors (65yrs and Over) (22.82%), and Children (0-17yrs) (16.55%).

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.
Marathon city, FL Percentages of Population By Age Group in 2021
55-59yrs
65-69yrs
45-49yrs
60-64yrs
50-54yrs
40-44yrs
10-14yrs
70-74yrs
15-19yrs
35-39yrs
Marathon city, FL Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Seniors (65yrs and Over)
Children (0-17yrs)
Marathon city, FL Population By Age Group in 2021
0 of 0
Age Group Number of People % of Total
55-59yrs 853 8.87
65-69yrs 819 8.51
45-49yrs 767 7.97
60-64yrs 761 7.91
50-54yrs 728 7.57
40-44yrs 659 6.85
10-14yrs 636 6.61
70-74yrs 583 6.06
15-19yrs 546 5.67
35-39yrs 514 5.34
25-29yrs 472 4.91
Under 5yrs 451 4.69
30-34yrs 414 4.30
20-24yrs 381 3.96
75-79yrs 359 3.73
80-84yrs 327 3.40
5-9yrs 244 2.54
85yrs and Over 108 1.12
Marathon city, FL Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 5834 60.63
Seniors (65yrs and Over) 2196 22.82
Children (0-17yrs) 1592 16.55