Nevada 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 3.06M Nevada population, the 30-34yrs age group constituted the highest percentage of the total population (7.26%), followed by the 25-29yrs age group (7.22%), and the 35-39yrs age group (6.97%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (61.55%), followed by Children (0-17yrs) (22.69%), and Seniors (65yrs and Over) (15.77%).

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

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

Nevada Percentages of Population By Age Group in 2021

30-34yrs

25-29yrs

35-39yrs

10-14yrs

40-44yrs

45-49yrs

55-59yrs

50-54yrs

5-9yrs

15-19yrs

Nevada Percentages of Population By Age Cohort in 2021

Adults (18-64yrs)

Children (0-17yrs)

Seniors (65yrs and Over)

Nevada Population By Age Group in 2021

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Age Group	Number of People	% of Total
30-34yrs	222026	7.26
25-29yrs	220773	7.22
35-39yrs	213224	6.97
10-14yrs	204174	6.67
40-44yrs	200086	6.54
45-49yrs	199193	6.51
55-59yrs	198224	6.48
50-54yrs	197241	6.45
5-9yrs	190962	6.24
15-19yrs	185258	6.06
60-64yrs	183544	6.00
Under 5yrs	181429	5.93
20-24yrs	180697	5.91
65-69yrs	165260	5.40
70-74yrs	136589	4.47
75-79yrs	87709	2.87
80-84yrs	49009	1.60
85yrs and Over	43840	1.43

Nevada Population By Age Cohort in 2021

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Age Cohort	Number of People	% of Total
Adults (18-64yrs)	1882801	61.55
Children (0-17yrs)	694030	22.69
Seniors (65yrs and Over)	482407	15.77