Oswego is a city in Oswego County, New York, United States. The population was 18,096 at the 2000 census. The 2005 population estimate for the city of Oswego is 17,705. Oswego is located on Lake Ontario in north-central New York and promotes itself as "The Port City of Central New York". It is the county seat of Oswego County. The city of Oswego is bordered by the towns of Oswego, Minetto, and Scriba to the west, south, and east, respectively, and by Lake Ontario to the north. Oswego lies within the Syracuse Metropolitan Statistical Area Oswego Speedway is a nationally-known automobile racing facility. The State University of New York at Oswego is located just outside the city on the lake. Oswego is the namesake for communities in Montana, Oregon, Illinois, and Kansas.