| Place Name | Islip (town) |
| Place Type | Town |
| County | Suffolk County |
| Area Code(s) | 631,934 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 339,596 |
| Majority Ethnicity | White 58.73% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 2ndNew York 1st |
| State Assembly Districts | 5,6,7,8,9,12 |
| State Senate Districts | 3,4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 58.73% |
| African American | 7.8% |
| Hispanic | 0.24% |
| Asian | 3.16% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 30.04% |