Calvert 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 92.52K Calvert County, MD population, the 55-59yrs age group constituted the highest percentage of the total population (8.32%), followed by the 50-54yrs age group (7.80%), and the 10-14yrs age group (7.26%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (61.65%), followed by Children (0-17yrs) (23.36%), and Seniors (65yrs and Over) (14.99%).

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.

Calvert County, MD Percentages of Population By Age Group in 2021
55-59yrs
50-54yrs
10-14yrs
60-64yrs
35-39yrs
45-49yrs
15-19yrs
5-9yrs
20-24yrs
30-34yrs
Calvert County, MD Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Calvert County, MD Population By Age Group in 2021
0 of 0
Age Group Number of People % of Total
55-59yrs 7695 8.32
50-54yrs 7213 7.80
10-14yrs 6712 7.26
60-64yrs 6467 6.99
35-39yrs 6383 6.90
45-49yrs 6125 6.62
15-19yrs 6104 6.60
5-9yrs 5905 6.38
20-24yrs 5531 5.98
30-34yrs 5504 5.95
40-44yrs 5144 5.56
25-29yrs 5090 5.50
65-69yrs 4900 5.30
Under 5yrs 4772 5.16
70-74yrs 3535 3.82
75-79yrs 2751 2.97
85yrs and Over 1446 1.56
80-84yrs 1238 1.34
Calvert County, MD Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 57032 61.65
Children (0-17yrs) 21613 23.36
Seniors (65yrs and Over) 13870 14.99