Ogdensburg is a city in St. Lawrence County, New York, United States. The population was 11,128 at the 2010 census. In the late 18th century, European-American settlers named the community after American land owner and developer Samuel Ogden.The City of Ogdensburg is at the northern border of New York at the mouth of the Oswegatchie River on the south bank of the St. Lawrence River. The only formally designated city in the county, it is located between Massena, New York to the east and Brockville, Ontario to the west.The Port of Ogdensburg is the only U.S. port on the St. Lawrence Seaway. Ogdensburg International Airport is located south of the city. The Ogdensburg–Prescott International Bridge, northeast of the city, links the United States and Canada, with a direct highway from Prescott to Ottawa, the capital of Canada.