Grainger 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 23.38K Grainger County, TN population, the 50-54yrs age group constituted the highest percentage of the total population (7.89%), followed by the 60-64yrs age group (7.79%), and the 55-59yrs age group (7.40%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (59.23%), followed by Seniors (65yrs and Over) (20.58%), and Children (0-17yrs) (20.19%).

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.

Grainger County, TN Percentages of Population By Age Group in 2021
50-54yrs
60-64yrs
55-59yrs
45-49yrs
65-69yrs
35-39yrs
10-14yrs
5-9yrs
70-74yrs
15-19yrs
Grainger County, TN Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Seniors (65yrs and Over)
Children (0-17yrs)
Grainger County, TN Population By Age Group in 2021
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Age Group Number of People % of Total
50-54yrs 1844 7.89
60-64yrs 1820 7.79
55-59yrs 1730 7.40
45-49yrs 1683 7.20
65-69yrs 1680 7.19
35-39yrs 1371 5.87
10-14yrs 1346 5.76
5-9yrs 1338 5.72
70-74yrs 1327 5.68
15-19yrs 1321 5.65
20-24yrs 1279 5.47
30-34yrs 1260 5.39
40-44yrs 1220 5.22
25-29yrs 1214 5.19
Under 5yrs 1141 4.88
75-79yrs 1086 4.65
80-84yrs 482 2.06
85yrs and Over 235 1.00
Grainger County, TN Population By Age Cohort in 2021
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0 of 0
Age Cohort Number of People % of Total
Adults (18-64yrs) 13847 59.23
Seniors (65yrs and Over) 4810 20.58
Children (0-17yrs) 4720 20.19