| Place Name | Nelsonville |
| Place Type | Village |
| ZIP Code(s) | 10516 |
| County | Putnam County |
| Area Code(s) | 845 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 770 |
| Population Growth Rate (2010-19) | -0.64% |
| Majority Ethnicity | White 88.7% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 18th |
| State Assembly Districts | 95 |
| State Senate Districts | 41 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.7% |
| African American | 0.3% |
| Hispanic | 0% |
| Asian | 2.41% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.58% |