Mastic CDP, NY 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 15.58K Mastic CDP, NY population, the 20-24yrs age group constituted the highest percentage of the population (9.13%), followed by the 25-29yrs age group (8.94%), and the 15-19yrs age group (8.75%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (63.93%), followed by Children (0-17yrs) (25.96%), and Seniors (65yrs and Over) (10.12%).

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 New York cities and places, and for New York.

Data Source: US Census Bureau.
Mastic CDP, NY Percentages of Population By Age Group in 2021
20-24yrs
25-29yrs
15-19yrs
10-14yrs
30-34yrs
50-54yrs
5-9yrs
Under 5yrs
60-64yrs
45-49yrs
Mastic CDP, NY Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Mastic CDP, NY Population By Age Group in 2021
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Age Group Number of People % of Total
20-24yrs 1422 9.13
25-29yrs 1393 8.94
15-19yrs 1363 8.75
10-14yrs 1155 7.42
30-34yrs 1121 7.20
50-54yrs 1044 6.70
5-9yrs 1014 6.51
Under 5yrs 978 6.28
60-64yrs 954 6.13
45-49yrs 946 6.07
40-44yrs 912 5.86
35-39yrs 899 5.77
55-59yrs 799 5.13
65-69yrs 717 4.60
70-74yrs 563 3.62
75-79yrs 230 1.48
85yrs and Over 58 0.37
80-84yrs 8 0.05
Mastic CDP, NY Population By Age Cohort in 2021
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Age Cohort Number of People % of Total
Adults (18-64yrs) 9957 63.93
Children (0-17yrs) 4043 25.96
Seniors (65yrs and Over) 1576 10.12