Prince George's 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 957.77K Prince George's County, MD population, the 25-29yrs age group constituted the highest percentage of the total population (7.17%), followed by the 30-34yrs age group (7.12%), and the 35-39yrs age group (7.10%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (64.15%), followed by Children (0-17yrs) (22.35%), and Seniors (65yrs and Over) (13.50%).

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.

Prince George's County, MD Percentages of Population By Age Group in 2021
25-29yrs
30-34yrs
35-39yrs
50-54yrs
55-59yrs
45-49yrs
20-24yrs
15-19yrs
40-44yrs
Under 5yrs
Prince George's County, MD Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Prince George's County, MD Population By Age Group in 2021
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Age Group Number of People % of Total
25-29yrs 68684 7.17
30-34yrs 68215 7.12
35-39yrs 67979 7.10
50-54yrs 67310 7.03
55-59yrs 66752 6.97
45-49yrs 63406 6.62
20-24yrs 62314 6.51
15-19yrs 62237 6.50
40-44yrs 61782 6.45
Under 5yrs 61426 6.41
60-64yrs 59792 6.24
10-14yrs 59433 6.21
5-9yrs 59178 6.18
65-69yrs 47789 4.99
70-74yrs 34755 3.63
75-79yrs 19990 2.09
80-84yrs 13821 1.44
85yrs and Over 12904 1.35
Prince George's County, MD Population By Age Cohort in 2021
0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 614405 64.15
Children (0-17yrs) 214103 22.35
Seniors (65yrs and Over) 129259 13.50