Barnstable County, MA Population By Age Group and Age Cohort in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, among the 227.94K Barnstable County, MA population, the 60-64yrs age group constituted the highest percentage of the total population (9.49%), followed by the 65-69yrs age group (9.43%), and the 70-74yrs age group (8.33%).
In the case of age cohorts, Adults (18-64yrs) constituted the highest percentage of the total population (54.43%), followed by Seniors (65yrs and Over) (30.56%), and Children (0-17yrs) (15.02%).
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.
| Age Group | Number of People | % of Total |
|---|---|---|
| 60-64yrs | 21637 | 9.49 |
| 65-69yrs | 21491 | 9.43 |
| 70-74yrs | 18997 | 8.33 |
| 55-59yrs | 18969 | 8.32 |
| 50-54yrs | 15053 | 6.60 |
| 75-79yrs | 11829 | 5.19 |
| 45-49yrs | 11502 | 5.05 |
| 20-24yrs | 11210 | 4.92 |
| 15-19yrs | 11148 | 4.89 |
| 35-39yrs | 10908 | 4.79 |
| 25-29yrs | 10629 | 4.66 |
| 10-14yrs | 10358 | 4.54 |
| 30-34yrs | 9939 | 4.36 |
| 40-44yrs | 9832 | 4.31 |
| 85yrs and Over | 9716 | 4.26 |
| 5-9yrs | 8908 | 3.91 |
| Under 5yrs | 8198 | 3.60 |
| 80-84yrs | 7618 | 3.34 |
| Age Cohort | Number of People | % of Total |
|---|---|---|
| Adults (18-64yrs) | 124062 | 54.43 |
| Seniors (65yrs and Over) | 69651 | 30.56 |
| Children (0-17yrs) | 34229 | 15.02 |