Main Industries: Oswego County is home to two nuclear power plants, Nine Mile Point Nuclear Station and Fitzpatrick Nuclear Generating Station.

Few areas in the Northeast offer the quality and diversity of fishing found in Oswego County. From trolling on Lake Ontario for trophy trout, salmon and walleyes to fly fishing for wild brook trout in a freestone stream tucked away in the wilderness of the Tug Hill Plateau, Oswego County offers angling opportunities unmatched in New York State.

Land: 968 of its 1,312 square miles of land are on the southeastern shore of Lake Ontario. There are two harbors in the county, Oswego Harbor at the mouth of the Oswego River and Port Ontario on the Salmon River. The first major port of call on the Great Lakes is the Port of Oswego Authority dock. The 23-mile Oswego River Canal is part of the NYS Canal System and the historic Erie Canalway National Heritage Corridor.

Education: Oswego State is part of the SUNY system and Cayuga County Community College has a campus in Oswego.

Chair, County Legislature - James Weatherup

• Fulton, City of
• Oswego, City of
• Albion, Town of
• Amboy, Town of
• Boylston, Town of
• Constantia, Town of
  • Cleveland, Village of
• Granby, Town of
• Hannibal, Town of
  • Hannibal, Village of
• Hastings, Town of
  • Central Square, Village of
• Mexico, Town of
  • Mexico, Village of
• Minetto, Town of
• New Haven, Town of
• Orwell, Town of
• Oswego, Town of
• Palermo, Town of
• Parish, Town of
  • Parish, Village of
• Redfield, Town of
• Richland, Town of
  • Pulaski, Village of
• Sandy Creek, Town of
  • Lacona, Village of
  • Sandy Creek, Village of
• Schroeppel, Town of
  • Phoenix, Village of
• Scriba, Town of
• Volney, Town of
• West Monroe, Town of
• Williamstown, Town of