| Place Name | Jefferson (town) |
| Place Type | Town |
| ZIP Code(s) | 12036 12093 12167 12175 |
| County | Schoharie County |
| Area Code(s) | 607 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,355 |
| Majority Ethnicity | White 96.51% |
| Metro/Micro Stats Area | Albany-Schenectady-Troy, NY |
| US Congressional District(s) | New York 19th |
| State Assembly Districts | 102 |
| State Senate Districts | 51 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.51% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 2.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.16% |