Ontario County, New York
Ontario County, New York | |
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Ontario County Courthouse in Canandaigua, 2014 | |
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Flag Seal | |
Location within the U.S. state of New York | |
| Coordinates: 42°51′N 77°17′W / 42.85°N 77.29°W | |
| Country | United States |
| State | New York |
| Founded | 1789 |
| Named after | Lake Ontario |
| Seat | Canandaigua |
| Largest city | Geneva |
| Area | |
• Total | 663 sq mi (1,720 km2) |
| • Land | 644 sq mi (1,670 km2) |
| • Water | 18 sq mi (47 km2) 2.8% |
| Population (2020) | |
• Total | 112,458 |
| • Density | 169/sq mi (65/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 24th, 25th |
| Website | www |
Ontario County is a county in the U.S. state of New York. As of the 2020 United States census, the population was 112,458. The county seat is Canandaigua. The county is part of the Finger Lakes region of the state.
Ontario County is part of the Rochester, New York metropolitan area.
In 2006, Progressive Farmer rated Ontario County as the "Best Place to Live" in the U.S., for its "great schools, low crime, excellent health care" and its proximity to Rochester.