Kennesaw city, GA 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 33.04K Kennesaw city, GA population, the 40-44yrs age group constituted the highest percentage of the population (8.35%), followed by the 20-24yrs age group (8.25%), and the 25-29yrs age group (8.06%).

In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (65.92%), followed by Children (0-17yrs) (22.29%), and Seniors (65yrs and Over) (11.80%).

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 also see similar information for other Georgia cities and places, and for Georgia.

Data Source: US Census Bureau.
Kennesaw city, GA Percentages of Population By Age Group in 2021
40-44yrs
20-24yrs
25-29yrs
15-19yrs
30-34yrs
35-39yrs
45-49yrs
10-14yrs
50-54yrs
Under 5yrs
Kennesaw city, GA Percentages of Population By Age Cohort in 2021
Adults (18-64yrs)
Children (0-17yrs)
Seniors (65yrs and Over)
Kennesaw city, GA Population By Age Group in 2021
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Age Group Number of People % of Total
40-44yrs 2758 8.35
20-24yrs 2724 8.25
25-29yrs 2663 8.06
15-19yrs 2491 7.54
30-34yrs 2298 6.96
35-39yrs 2246 6.80
45-49yrs 2230 6.75
10-14yrs 2124 6.43
50-54yrs 2079 6.29
Under 5yrs 1995 6.04
60-64yrs 1919 5.81
55-59yrs 1814 5.49
5-9yrs 1797 5.44
65-69yrs 1615 4.89
70-74yrs 695 2.10
75-79yrs 652 1.97
80-84yrs 527 1.60
85yrs and Over 409 1.24
Kennesaw city, GA Population By Age Cohort in 2021
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Age Cohort Number of People % of Total
Adults (18-64yrs) 21776 65.92
Children (0-17yrs) 7362 22.29
Seniors (65yrs and Over) 3898 11.80