Arkansas 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 3.01M Arkansas population, the 15-19yrs age group constituted the highest percentage of the total population (6.77%), followed by the 10-14yrs age group (6.76%), and the 20-24yrs age group (6.59%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (59.71%), followed by Children (0-17yrs) (23.48%), and Seniors (65yrs and Over) (16.81%).

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.

Arkansas Percentages of Population By Age Group in 2021
15-19yrs
6.77%
10-14yrs
6.76%
20-24yrs
6.59%
25-29yrs
6.56%
55-59yrs
6.54%
5-9yrs
6.51%
35-39yrs
6.43%
30-34yrs
6.37%
60-64yrs
6.31%
Under 5yrs
6.14%
Arkansas Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
59.71%
Children (0-17yrs)
23.48%
Seniors (65yrs and Over)
16.81%
Arkansas Population By Age Group in 2021
Age Group
Number of People
% of Total
15-19yrs 203,530 6.77
10-14yrs 203,248 6.76
20-24yrs 198,013 6.59
25-29yrs 197,068 6.56
55-59yrs 196,544 6.54
5-9yrs 195,648 6.51
35-39yrs 193,344 6.43
30-34yrs 191,431 6.37
60-64yrs 189,742 6.31
Under 5yrs 184,580 6.14
40-44yrs 183,087 6.09
50-54yrs 182,610 6.07
45-49yrs 182,103 6.06
65-69yrs 165,440 5.50
70-74yrs 134,867 4.49
75-79yrs 93,077 3.10
80-84yrs 57,160 1.90
85yrs and Over 54,817 1.82
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Arkansas Population By Age Cohort in 2021
Age Cohort
Number of People
% of Total
Adults (18-64yrs) 1,795,163 59.71
Children (0-17yrs) 705,785 23.48
Seniors (65yrs and Over) 505,361 16.81
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