St. Simons CDP, GA 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 15.87K St. Simons CDP, GA population, the 65-69yrs age group constituted the highest percentage of the population (12.48%), followed by the 70-74yrs age group (10.16%), and the 45-49yrs age group (8.57%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (50.67%), followed by Seniors (65yrs and Over) (35.47%), and Children (0-17yrs) (13.86%).

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 Georgia cities and places, and for Georgia.

Data Source: US Census Bureau.
St. Simons CDP, GA Percentages of Population By Age Group in 2021
65-69yrs
70-74yrs
45-49yrs
60-64yrs
55-59yrs
75-79yrs
50-54yrs
30-34yrs
40-44yrs
Under 5yrs
St. Simons CDP, GA Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Seniors (65yrs and Over)
Children (0-17yrs)
St. Simons CDP, GA Population By Age Group in 2021
0 of 0
Age Group Number of People % of Total
65-69yrs 1980 12.48
70-74yrs 1612 10.16
45-49yrs 1359 8.57
60-64yrs 1359 8.57
55-59yrs 1146 7.22
75-79yrs 1005 6.34
50-54yrs 924 5.82
30-34yrs 798 5.03
40-44yrs 751 4.73
Under 5yrs 688 4.34
35-39yrs 667 4.20
5-9yrs 633 3.99
15-19yrs 631 3.98
85yrs and Over 605 3.81
25-29yrs 497 3.13
80-84yrs 426 2.69
20-24yrs 422 2.66
10-14yrs 362 2.28
St. Simons CDP, GA Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 8038 50.67
Seniors (65yrs and Over) 5628 35.47
Children (0-17yrs) 2199 13.86