Reston CDP, VA 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 62.45K Reston CDP, VA population, the 25-29yrs age group constituted the highest percentage of the population (8.83%), followed by the 35-39yrs age group (7.50%), and the 30-34yrs age group (7.50%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (64.71%), followed by Children (0-17yrs) (19.56%), and Seniors (65yrs and Over) (15.73%).

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 Virginia cities and places, and for Virginia.

Data Source: US Census Bureau.
Reston CDP, VA Percentages of Population By Age Group in 2021
25-29yrs
35-39yrs
30-34yrs
50-54yrs
55-59yrs
60-64yrs
40-44yrs
5-9yrs
45-49yrs
Under 5yrs
Reston CDP, VA Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Reston CDP, VA Population By Age Group in 2021
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Age Group Number of People % of Total
25-29yrs 5512 8.83
35-39yrs 4683 7.50
30-34yrs 4681 7.50
50-54yrs 4463 7.15
55-59yrs 4463 7.15
60-64yrs 4287 6.86
40-44yrs 4169 6.68
5-9yrs 3955 6.33
45-49yrs 3710 5.94
Under 5yrs 3502 5.61
20-24yrs 3493 5.59
10-14yrs 3062 4.90
70-74yrs 3013 4.82
65-69yrs 2864 4.59
15-19yrs 2647 4.24
75-79yrs 1947 3.12
80-84yrs 1292 2.07
85yrs and Over 710 1.14
Reston CDP, VA Population By Age Cohort in 2021
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Age Cohort Number of People % of Total
Adults (18-64yrs) 40412 64.71
Children (0-17yrs) 12215 19.56
Seniors (65yrs and Over) 9826 15.73