| Place Name | Hillside |
| Place Type | Census Designated Place |
| ZIP Code(s) | 12401 |
| County | Ulster County |
| Area Code(s) | 845 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 707 |
| Population Growth Rate (2010-19) | -1.94% |
| Majority Ethnicity | White 93.24% |
| Metro/Micro Stats Area | Kingston, NY |
| US Congressional District(s) | New York 19th |
| State Assembly Districts | 103 |
| State Senate Districts | 46 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.24% |
| African American | 0.86% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.9% |