Keystone Heights 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 1.49K Keystone Heights city, FL population, the 30-34yrs age group constituted the highest percentage of the population (10.48%), followed by the 10-14yrs age group (9.07%), and the 5-9yrs age group (7.99%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (56.95%), followed by Children (0-17yrs) (27.67%), and Seniors (65yrs and Over) (15.38%).

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.
Keystone Heights city, FL Percentages of Population By Age Group in 2021
30-34yrs
10-14yrs
5-9yrs
25-29yrs
35-39yrs
55-59yrs
15-19yrs
Under 5yrs
50-54yrs
60-64yrs
Keystone Heights city, FL Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Keystone Heights city, FL Population By Age Group in 2021
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Age Group Number of People % of Total
30-34yrs 156 10.48
10-14yrs 135 9.07
5-9yrs 119 7.99
25-29yrs 116 7.79
35-39yrs 100 6.72
55-59yrs 94 6.31
15-19yrs 92 6.18
Under 5yrs 89 5.98
50-54yrs 87 5.84
60-64yrs 80 5.37
40-44yrs 78 5.24
65-69yrs 78 5.24
45-49yrs 68 4.57
70-74yrs 62 4.16
20-24yrs 46 3.09
75-79yrs 36 2.42
85yrs and Over 28 1.88
80-84yrs 25 1.68
Keystone Heights city, FL Population By Age Cohort in 2021
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Age Cohort Number of People % of Total
Adults (18-64yrs) 848 56.95
Children (0-17yrs) 412 27.67
Seniors (65yrs and Over) 229 15.38