Best SEO and internet marketing services in Ontario County NY. Ontario County zip codes - 14424, 14425, 14443, 14453, 14461, 14463, 14469, 14504, 14518, 14537, 14547, 14548, 14585 Ontario County is a county in the U.S. state of New York. It is situated in the western New York State. The county was founded in 1789. According to the census in 2010, almost 108,000 people live there. Canandaigua is the county’s seat. The county has an area of 663 square miles (1,720 km2), where 644 square miles is land and 18 square miles is water. Ontario County is governed by a Board of Supervisors. There are 21 members. The Finger Lakes region is located in the county. There are 11 lakes. The population density is 156 people per square mile. People of such nationalities live there: White and Black African Americans, Native Americans, Asians, Pacific Islanders, Spaniards, Germans, Englishmen, Italians and others. 95% of people speak English as their first and native language, and 2,3% of people speak Spanish language. There are two cities: Canandaigua and Geneva. Also, there are many towns, villages and hamlets. Progressive Farmer considered Ontario County as the “Best Place to Live” in the USA in 2006. That was because great schools, low crime, an excellent health care is seen there. Baptists organized there revivals and camp meetings and that’s why the Second Great Awakening happened in Ontario County.