Fleming Island 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 29.51K Fleming Island CDP, FL population, the 50-54yrs age group constituted the highest percentage of the population (8.11%), followed by the 55-59yrs age group (8.04%), and the 45-49yrs age group (7.74%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (60.17%), followed by Children (0-17yrs) (20.00%), and Seniors (65yrs and Over) (19.83%).

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.
Fleming Island CDP, FL Percentages of Population By Age Group in 2021
50-54yrs
55-59yrs
45-49yrs
15-19yrs
65-69yrs
60-64yrs
40-44yrs
5-9yrs
35-39yrs
10-14yrs
Fleming Island CDP, FL Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Fleming Island CDP, FL Population By Age Group in 2021
0 of 0
Age Group Number of People % of Total
50-54yrs 2394 8.11
55-59yrs 2373 8.04
45-49yrs 2283 7.74
15-19yrs 2261 7.66
65-69yrs 2240 7.59
60-64yrs 2237 7.58
40-44yrs 1938 6.57
5-9yrs 1745 5.91
35-39yrs 1667 5.65
10-14yrs 1664 5.64
20-24yrs 1604 5.44
70-74yrs 1483 5.03
30-34yrs 1429 4.84
Under 5yrs 1102 3.74
75-79yrs 1088 3.69
25-29yrs 957 3.24
80-84yrs 612 2.07
85yrs and Over 428 1.45
Fleming Island CDP, FL Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 17753 60.17
Children (0-17yrs) 5901 20.00
Seniors (65yrs and Over) 5851 19.83