Sumner County, TN 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 193.04K Sumner County, TN population, the 5-9yrs age group constituted the highest percentage of the total population (7.06%), followed by the 45-49yrs age group (6.98%), and the 55-59yrs age group (6.86%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (60.55%), followed by Children (0-17yrs) (23.62%), and Seniors (65yrs and Over) (15.83%).

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 Tennessee counties, and for Tennessee.

Sumner County, TN Percentages of Population By Age Group in 2021
5-9yrs
45-49yrs
55-59yrs
50-54yrs
35-39yrs
40-44yrs
60-64yrs
15-19yrs
10-14yrs
30-34yrs
Sumner County, TN Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Sumner County, TN Population By Age Group in 2021
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Age Group Number of People % of Total
5-9yrs 13621 7.06
45-49yrs 13466 6.98
55-59yrs 13240 6.86
50-54yrs 13124 6.80
35-39yrs 13025 6.75
40-44yrs 12987 6.73
60-64yrs 12424 6.44
15-19yrs 12404 6.43
10-14yrs 12396 6.42
30-34yrs 12206 6.32
25-29yrs 11839 6.13
Under 5yrs 11438 5.93
65-69yrs 11437 5.93
20-24yrs 10304 5.34
70-74yrs 7319 3.79
75-79yrs 5950 3.08
85yrs and Over 2950 1.53
80-84yrs 2906 1.51
Sumner County, TN Population By Age Cohort in 2021
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Age Cohort Number of People % of Total
Adults (18-64yrs) 116875 60.55
Children (0-17yrs) 45599 23.62
Seniors (65yrs and Over) 30562 15.83