| Place Name | Smithtown (town) |
| Place Type | Town |
| County | Suffolk County |
| Area Code(s) | 631,934 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 116,560 |
| Majority Ethnicity | White 86.76% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 1stNew York 3rd |
| State Assembly Districts | 8 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.76% |
| African American | 1.1% |
| Hispanic | 0.05% |
| Asian | 4.54% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.55% |