Nantucket County, MA population age distribution
A complete breakdown of Nantucket County's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 741 | 5.27% |
| 5 to 9 years | 717 | 5.1% |
| 10 to 14 years | 1,028 | 7.31% |
| 15 to 19 years | 943 | 6.7% |
| 20 to 24 years | 694 | 4.93% |
| 25 to 29 years | 821 | 5.84% |
| 30 to 34 years | 906 | 6.44% |
| 35 to 39 years | 1,012 | 7.2% |
| 40 to 44 years | 894 | 6.36% |
| 45 to 49 years | 895 | 6.36% |
| 50 to 54 years | 1,245 | 8.85% |
| 55 to 59 years | 978 | 6.95% |
| 60 to 64 years | 951 | 6.76% |
| 65 to 69 years | 746 | 5.3% |
| 70 to 74 years | 668 | 4.75% |
| 75 to 79 years | 313 | 2.23% |
| 80 to 84 years | 279 | 1.98% |
| 85 years and over | 234 | 1.66% |
TABLE OF CONTENTS
Nantucket County, MA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Nantucket County, MA population by age group.
The largest age group is 50 to 54 years with a population of 1,245 (8.85% of the total population).
The largest age group in Nantucket County, MA was for the group of age 50 to 54 years with a population of 1,245 (8.85%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Nantucket County, MA was the 85 years and over with a population of 234 (1.66%).
Nantucket County, MA population by age cohort
To better understand the age distribution of Nantucket County, MA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Nantucket County, MA population by age cohort
The largest age group was 18 to 64 years with a population of 8,614 (61.24% of the total population).
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 3,211 | 22.83% |
| 18 to 64 years | 8,614 | 61.24% |
| 65 years and over | 2,240 | 15.93% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Nantucket County 's population under 18 was 22.83%, compared to the 22.11% nationwide.
- Nantucket County's working population (between 18 and 64) was 61.24%, compared to 61.36% nationwide.
- Nantucket County's elderly or the senior population (over 65 age) was 15.93% as compared to 16.53% nationwide.
Nantucket County, MA population pyramid
Population pyramid for Nantucket County, MA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Nantucket County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Nantucket County, MA, is 26.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Nantucket County, MA, is 24.0.
- Total dependency ratio for Nantucket County, MA is 50.6.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Nantucket County, MA is 4.2.
FIGURE 3
Nantucket County, MA population pyramid
Nantucket County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Here's the Nantucket County, MA's male and female population across different age groups:
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 408 | 333 | 741 |
| 5 to 9 years | 375 | 342 | 717 |
| 10 to 14 years | 706 | 322 | 1,028 |
| 15 to 19 years | 477 | 466 | 943 |
| 20 to 24 years | 472 | 222 | 694 |
| 25 to 29 years | 482 | 339 | 821 |
| 30 to 34 years | 446 | 460 | 906 |
| 35 to 39 years | 534 | 478 | 1,012 |
| 40 to 44 years | 459 | 435 | 894 |
| 45 to 49 years | 519 | 376 | 895 |
| 50 to 54 years | 710 | 535 | 1,245 |
| 55 to 59 years | 522 | 456 | 978 |
| 60 to 64 years | 483 | 468 | 951 |
| 65 to 69 years | 391 | 355 | 746 |
| 70 to 74 years | 347 | 321 | 668 |
| 75 to 79 years | 114 | 199 | 313 |
| 80 to 84 years | 177 | 102 | 279 |
| 85 years and over | 100 | 134 | 234 |
Things to know
What is the population of Nantucket County, MA under 18?
Nantucket County's population under the age of 18 is 3,211, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.83% of the total resident population of Nantucket County, MA.
What is the aging population in Nantucket County, MA?
Nantucket County's population aged 65 years and above was 2,240. As per the U.S. Census Bureau's American Community Survey, this population is 15.93% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates