Minnesota 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 5.67M Minnesota population, the 55-59yrs age group constituted the highest percentage of the total population (6.96%), followed by the 35-39yrs age group (6.87%), and the 30-34yrs age group (6.79%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (60.76%), followed by Children (0-17yrs) (23.34%), and Seniors (65yrs and Over) (15.90%).

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: Minnesota ACS-5Yrs Estimates, 2021 Topic List.

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

Minnesota Percentages of Population By Age Group in 2021

55-59yrs

35-39yrs

30-34yrs

10-14yrs

25-29yrs

15-19yrs

5-9yrs

60-64yrs

50-54yrs

20-24yrs

Minnesota Percentages of Population By Age Cohort in 2021

Adults (18-64yrs)

Children (0-17yrs)

Seniors (65yrs and Over)

Minnesota Population By Age Group in 2021

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Age Group	Number of People	% of Total
55-59yrs	394429	6.96
35-39yrs	389639	6.87
30-34yrs	384970	6.79
10-14yrs	380418	6.71
25-29yrs	371245	6.55
15-19yrs	369931	6.52
5-9yrs	369345	6.51
60-64yrs	368030	6.49
50-54yrs	355600	6.27
20-24yrs	354809	6.26
40-44yrs	349075	6.16
Under 5yrs	348468	6.15
45-49yrs	332996	5.87
65-69yrs	306568	5.41
70-74yrs	229024	4.04
75-79yrs	148811	2.62
85yrs and Over	115603	2.04
80-84yrs	101511	1.79

Minnesota Population By Age Cohort in 2021

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Age Cohort	Number of People	% of Total
Adults (18-64yrs)	3445386	60.76
Children (0-17yrs)	1323569	23.34
Seniors (65yrs and Over)	901517	15.90