Ogdensburg is a city in St. Lawrence County, New York, United States. The population was 10,064 at the 2020 census. In the late 18th century, European-American settlers named the community after American land owner and developer Samuel Ogden. The city 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.
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