Franklin County, MA Population By Age Group and Age Cohort in 2021 (ACS-5Yrs)

Updated on June 30, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 71.08K Franklin County, MA population, the 60-64yrs age group constituted the highest percentage of the total population (8.96%), followed by the 65-69yrs age group (8.15%), and the 55-59yrs age group (7.90%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (60.22%), followed by Seniors (65yrs and Over) (22.44%), and Children (0-17yrs) (17.34%).

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 Massachusetts counties, and for Massachusetts.

Franklin County, MA Percentages of Population By Age Group in 2021
60-64yrs
65-69yrs
55-59yrs
50-54yrs
35-39yrs
70-74yrs
45-49yrs
30-34yrs
40-44yrs
25-29yrs
Franklin County, MA Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Seniors (65yrs and Over)
Children (0-17yrs)
Franklin County, MA Population By Age Group in 2021
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Age Group Number of People % of Total
60-64yrs 6371 8.96
65-69yrs 5790 8.15
55-59yrs 5612 7.90
50-54yrs 4938 6.95
35-39yrs 4539 6.39
70-74yrs 4537 6.38
45-49yrs 4321 6.08
30-34yrs 4271 6.01
40-44yrs 3968 5.58
25-29yrs 3962 5.57
10-14yrs 3773 5.31
15-19yrs 3718 5.23
20-24yrs 3495 4.92
5-9yrs 3285 4.62
Under 5yrs 2882 4.05
75-79yrs 2497 3.51
85yrs and Over 1710 2.41
80-84yrs 1416 1.99
Franklin County, MA Population By Age Cohort in 2021
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0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 42809 60.22
Seniors (65yrs and Over) 15950 22.44
Children (0-17yrs) 12326 17.34