Median Age in Nantucket County, MA
ACS 2024 5-Year Estimates
How Nantucket County Compares
National Distribution
Where Nantucket County falls among all 3,222 U.S. counties for median age.
■ Nantucket County: 42.4 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,369 | Caldwell County, KY | 42.4 years |
| #1,370 | Lewis County, KY | 42.4 years |
| #1,371 | Union County, KY | 42.4 years |
| #1,372 | Nantucket County, MA | 42.4 years |
| #1,373 | Lenawee County, MI | 42.4 years |
| #1,374 | Sibley County, MN | 42.4 years |
| #1,375 | Clarke County, MS | 42.4 years |
Median Age in Nantucket County, Massachusetts
Nantucket County, Massachusetts has a median age of 42.4 years, which ranks #1,372 of 3,222 out of 3,222 counties nationwide. This is 9.0% above the national value of 38.9 years.
Within Massachusetts, Nantucket County ranks #6 of 14 out of 14 counties. This places it in the 57th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.