| Place Name | Shelter Island (town) |
| Place Type | Town |
| ZIP Code(s) | 11964 11965 11971 |
| County | Suffolk County |
| Area Code(s) | 631,934 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 3,661 |
| Majority Ethnicity | White 89.35% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 1st |
| State Assembly Districts | 1 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.35% |
| African American | 0.85% |
| Hispanic | 3.31% |
| Asian | 6.5% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |