Alaska 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 735.95K Alaska population, the 25-29yrs age group constituted the highest percentage of the total population (8.05%), followed by the 30-34yrs age group (7.79%), and the 5-9yrs age group (7.24%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (62.92%), followed by Children (0-17yrs) (24.83%), and Seniors (65yrs and Over) (12.26%).

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.

Related Topics: Alaska ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Alaska Percentages of Population By Age Group in 2021

25-29yrs

30-34yrs

5-9yrs

35-39yrs

Under 5yrs

20-24yrs

10-14yrs

55-59yrs

15-19yrs

60-64yrs

Alaska Percentages of Population By Age Cohort in 2021

Adults (18-64yrs)

Children (0-17yrs)

Seniors (65yrs and Over)

Alaska Population By Age Group in 2021

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Age Group	Number of People	% of Total
25-29yrs	59218	8.05
30-34yrs	57307	7.79
5-9yrs	53270	7.24
35-39yrs	52443	7.13
Under 5yrs	50791	6.90
20-24yrs	50780	6.90
10-14yrs	49647	6.75
55-59yrs	47145	6.41
15-19yrs	47081	6.40
60-64yrs	46141	6.27
50-54yrs	44470	6.04
40-44yrs	44221	6.01
45-49yrs	43249	5.88
65-69yrs	37147	5.05
70-74yrs	24318	3.30
75-79yrs	13501	1.83
80-84yrs	8594	1.17
85yrs and Over	6628	0.90

Alaska Population By Age Cohort in 2021

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Age Cohort	Number of People	% of Total
Adults (18-64yrs)	463029	62.92
Children (0-17yrs)	182734	24.83
Seniors (65yrs and Over)	90188	12.26