Rhode Island 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 1.09M Rhode Island population, the 60-64yrs age group constituted the highest percentage of the total population (7.15%), followed by the 55-59yrs age group (7.04%), and the 20-24yrs age group (7.00%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (63.25%), followed by Children (0-17yrs) (19.48%), and Seniors (65yrs and Over) (17.27%).

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 see similar information for other states, and the United States.

Rhode Island Percentages of Population By Age Group in 2021
60-64yrs
7.15%
55-59yrs
7.04%
20-24yrs
7.00%
25-29yrs
6.98%
30-34yrs
6.87%
15-19yrs
6.85%
50-54yrs
6.84%
35-39yrs
6.37%
45-49yrs
6.07%
65-69yrs
5.64%
Rhode Island Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
63.25%
Children (0-17yrs)
19.48%
Seniors (65yrs and Over)
17.27%
Rhode Island Population By Age Group in 2021
Age Group
Number of People
% of Total
60-64yrs 78,087 7.15
55-59yrs 76,853 7.04
20-24yrs 76,427 7.00
25-29yrs 76,226 6.98
30-34yrs 74,992 6.87
15-19yrs 74,799 6.85
50-54yrs 74,689 6.84
35-39yrs 69,563 6.37
45-49yrs 66,322 6.07
65-69yrs 61,547 5.64
10-14yrs 61,405 5.62
40-44yrs 61,297 5.61
5-9yrs 57,333 5.25
Under 5yrs 55,370 5.07
70-74yrs 48,567 4.45
75-79yrs 32,167 2.95
85yrs and Over 24,753 2.27
80-84yrs 21,552 1.97
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Rhode Island Population By Age Cohort in 2021
Age Cohort
Number of People
% of Total
Adults (18-64yrs) 690,700 63.25
Children (0-17yrs) 212,663 19.48
Seniors (65yrs and Over) 188,586 17.27
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