| Place Name | Port Henry |
| Place Type | Census Designated Place |
| ZIP Code(s) | 12974 |
| County | Essex County |
| Area Code(s) | 518,838 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,309 |
| Population Growth Rate (2010-19) | -3.69% |
| Majority Ethnicity | White 93.21% |
| US Congressional District(s) | New York 21st |
| State Assembly Districts | 114 |
| State Senate Districts | 45 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.21% |
| African American | 0.35% |
| Hispanic | 0.29% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.15% |