The name was changed to "Port Leyden" around 1838 when the Black River Canal was being developed. Landmarks include St. Mark's Church and Port Leyden Community Library. Port Leyden is the birthplace of Lorenzo A. Kelsey, politician.
- CountyLewis County
- Population554 (2020 U.S. Census)
- Historic places1 on the National Register






















Port Leyden Community Library