North Spearfish CDP, SD Population By Age Group and Age Cohort in 2021 (ACS-5Yrs)

Updated on July 5, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 2.20K North Spearfish CDP, SD population, the 65-69yrs age group constituted the highest percentage of the population (10.51%), followed by the 25-29yrs age group (8.83%), and the 5-9yrs age group (8.33%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (56.96%), followed by Children (0-17yrs) (24.02%), and Seniors (65yrs and Over) (19.02%).

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 also see similar information for other South Dakota cities and places, and for South Dakota.

Data Source: US Census Bureau.
North Spearfish CDP, SD Percentages of Population By Age Group in 2021
65-69yrs
25-29yrs
5-9yrs
10-14yrs
55-59yrs
35-39yrs
30-34yrs
15-19yrs
60-64yrs
45-49yrs
North Spearfish CDP, SD Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
North Spearfish CDP, SD Population By Age Group in 2021
Items per page:
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Age Group Number of People % of Total
65-69yrs 231 10.51
25-29yrs 194 8.83
5-9yrs 183 8.33
10-14yrs 181 8.24
55-59yrs 171 7.78
35-39yrs 158 7.19
30-34yrs 157 7.14
15-19yrs 142 6.46
60-64yrs 135 6.14
45-49yrs 130 5.91
20-24yrs 105 4.78
50-54yrs 89 4.05
70-74yrs 85 3.87
40-44yrs 74 3.37
Under 5yrs 61 2.78
80-84yrs 52 2.37
85yrs and Over 50 2.28
75-79yrs 0 0.00
North Spearfish CDP, SD Population By Age Cohort in 2021
Items per page:
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 1252 56.96
Children (0-17yrs) 528 24.02
Seniors (65yrs and Over) 418 19.02