| Name | Nantucket County |
| State | Massachusetts |
| FIPS Code | 25019 |
| County Seat | Nantucket |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 14,534 |
| Population Growth Rate(2020-2024) | 1.95% |
| Majority Ethnicity | White 72.01% |
| Public School Majority Ethnicity | White 44% |
| Partisan Voting Index | Democratic:+20 |
| Unemployment Rate (May 2026) | 16.4% |
| Area Code(s) | 508 / 774 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 72.01% |
| African American | 9.48% |
| Hispanic | 16.69% |
| Asian | 1.81% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 44.3% |
| African American | 8.5% |
| Hispanic | 41.09% |
| Asian | 1.34% |
| Native American | 0.06% |
| Hawaiin/Pacific Islander | 0% |