Somerset County, MD 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 24.83K Somerset County, MD population, the 20-24yrs age group constituted the highest percentage of the total population (11.54%), followed by the 25-29yrs age group (8.29%), and the 55-59yrs age group (7.22%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (66.28%), followed by Children (0-17yrs) (17.14%), and Seniors (65yrs and Over) (16.58%).

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 Maryland counties, and for Maryland.

Somerset County, MD Percentages of Population By Age Group in 2021
20-24yrs
25-29yrs
55-59yrs
15-19yrs
35-39yrs
45-49yrs
60-64yrs
30-34yrs
65-69yrs
40-44yrs
Somerset County, MD Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Somerset County, MD Population By Age Group in 2021
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Age Group Number of People % of Total
20-24yrs 2866 11.54
25-29yrs 2058 8.29
55-59yrs 1792 7.22
15-19yrs 1766 7.11
35-39yrs 1613 6.50
45-49yrs 1522 6.13
60-64yrs 1479 5.96
30-34yrs 1464 5.90
65-69yrs 1393 5.61
40-44yrs 1309 5.27
50-54yrs 1278 5.15
5-9yrs 1273 5.13
10-14yrs 1177 4.74
Under 5yrs 1119 4.51
70-74yrs 1101 4.43
75-79yrs 788 3.17
80-84yrs 485 1.95
85yrs and Over 351 1.41
Somerset County, MD Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 16460 66.28
Children (0-17yrs) 4256 17.14
Seniors (65yrs and Over) 4118 16.58