Ontario County NY Outline of Map

Ontario County is a county in the U.S. State of New York. As of the 2020 census, the population was 112,458. The county seat is Canandaigua. The county is part of the Finger Lakes region of the state.
  • Country: United States
  • State: New York
  • Founded: 1789
  • Named for: Lake Ontario
  • Seat: Canandaigua
  • Largest city: Geneva
  • Congressional district: 24th
Data from: en.wikipedia.org