Port Leyden, New York
Port Leyden, New York 
    Kelsey's Mills  | |
|---|---|
| Coordinates: 43°35′2″N 75°20′39″W / 43.58389°N 75.34417°W | |
| Country | United States | 
| State | New York | 
| County | Lewis | 
| Towns | Leyden, Lyonsdale | 
| Area | |
 • Total  | 0.66 sq mi (1.70 km2) | 
| • Land | 0.62 sq mi (1.60 km2) | 
| • Water | 0.04 sq mi (0.11 km2) | 
| Elevation | 892 ft (272 m) | 
| Population  (2020)  | |
 • Total  | 554 | 
| • Density | 897.89/sq mi (346.65/km2) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP code | 13433  | 
| Area code | 315 | 
| FIPS code | 36-59454 | 
| GNIS feature ID | 960975 | 
Port Leyden is a village in Lewis County, New York, United States. The population was 672 at the 2010 census. The name is derived from the village's early history as a port on the Black River Canal.
The village of Port Leyden is mostly in the town of Leyden, but a portion of the village lies to the east of the Black River in the town of Lyonsdale. The village is 17 miles (27 km) south of Lowville, the county seat, 8 miles (13 km) north of Boonville, and 25 miles (40 km) by road west-southwest of Old Forge.