Nantucket County's estimated 2025 population is 14,446 with a growth rate of 0.01% in the past year according to the most recent United States census data. Nantucket County is the 14th largest county in Massachusetts. The 2010 population was 10,165 and has seen a growth of 42.12% since that time.
Data after 2023 is projected based on recent change
The racial composition of Nantucket County includes 70.81% White, 9.32% Black or African American, 5.16% other race, and smaller percentages for Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,125 | 70.81% |
| Two or more races | 1,848 | 12.92% |
| Black or African American | 1,333 | 9.32% |
| Other race | 738 | 5.16% |
| Asian | 255 | 1.78% |
Married
Widowed
Divorced
Separated
Never Married
Nantucket County's average per capita income is $72,821. Household income levels show a median of $119,750. The poverty rate stands at 3.03%.
Name | Median | Mean |
|---|---|---|
| Married Families | $159,243 | - |
| Families | $151,336 | $214,905 |
| Households | $119,750 | $194,491 |
| Non Families | $108,041 | $138,805 |
Average Income
Median Household Income
Poverty Rate