| Place Name | Nassau (town) |
| Place Type | Town |
| ZIP Code(s) | 12018 12061 12062 12123 12169 |
| County | Rensselaer County |
| Area Code(s) | 518,838 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 4,616 |
| Majority Ethnicity | White 96.52% |
| Metro/Micro Stats Area | Albany-Schenectady-Troy, NY |
| US Congressional District(s) | New York 19th |
| State Assembly Districts | 107 |
| State Senate Districts | 43 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.52% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.56% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.92% |