Ontario County, New York
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Ontario County is a
county A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...
in the U.S. state of New York. As of the 2020 United States census, the population was 112,458. The
county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...
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.


History

This area was long controlled by the Seneca people, one of the Five Nations of the Iroquois Confederacy, or '' Haudenosaunee''. They were forced to cede most of their land to the United States after the American Revolutionary War. When the English established counties in New York Province in 1683, they designated Albany County as including all the northern part of New York State, the present State of
Vermont Vermont () is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York (state), New York to the west, and the Provinces and territories of Ca ...
, and, in theory, extending westward to the Pacific Ocean. On July 3, 1766 Cumberland County was organized, and on March 16, 1770 Gloucester County was founded, both containing territory now included in the state of Vermont. The English claims were their assertion; the Five and then Six Nations of the Iroquois occupied and controlled most of the territory in central and western New York until after the Revolutionary War. As New York was more heavily settled in the 18th century, the colonial government organized additional counties, but European settlement did not proceed very far west past Little Falls, New York, about halfway through the Mohawk Valley, until after the revolutionary war. This area was ostensibly part of Montgomery County, renamed after the war for an American officer. Seth Read, a Colonel in the Battle of Bunker Hill, moved here with his family as a pioneer between 1787 and 1795. See also Geneva (town), New York.Turner, p.319 Land-hungry settlers from New England swept into upstate and western New York after the Revolution, as nearly five million acres of new lands were available for purchase since the Iroquois were forced to cede most of their territories to the United States. Four tribes had allied with the British and were mostly resettled in Canada: the Mohawk, Onondaga, Seneca and Cayuga. Transfer of what is now Ontario County to New York formally took effect in 1789, when native title was extinguished, and the county was formally established to govern the lands of the Phelps and Gorham Purchase the year prior. The territory first organized as Ontario County was much larger than at present and ran south from the shore of
Lake Ontario Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north, west, and southwest by the Canadian province of Ontario, and on the south and east by the U.S. state of New York (state), New York. The Canada–United Sta ...
. As the area was settled, new counties were organized. The following counties were rapidly organized from this territory in the first decades after the war: Allegany, Cattaraugus,
Chautauqua Chautauqua ( ) is an adult education and social movement in the United States that peaked in popularity in the late 19th and early 20th centuries. Chautauqua assemblies expanded and spread throughout rural America until the mid-1920s. The Cha ...
, Erie, Genesee, Livingston, Monroe, Niagara, Orleans, Steuben,
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
, and Yates counties, and parts of Schuyler and Wayne counties. In 1796, Ontario County was divided and Steuben County was organized. In 1802, Ontario County was reduced when Genesee County was split off. The new county was originally very large, including the present Allegany, Cattaraugus,
Chautauqua Chautauqua ( ) is an adult education and social movement in the United States that peaked in popularity in the late 19th and early 20th centuries. Chautauqua assemblies expanded and spread throughout rural America until the mid-1920s. The Cha ...
, Erie, Niagara, Orleans and Wyoming Counties and parts of Livingston and Monroe counties. In 1821, portions of Genesee County were combined with portions of Ontario County to create Livingston and Monroe counties. In 1823, a portion of Seneca County was combined with a portion of Ontario County to create Wayne County. The same year, a portion of Steuben County was combined with a portion of Ontario County to create Yates County.


Great Awakening

This frontier area was part of the evangelistic activities during the Second Great Awakening of the early 19th century, when
Baptist Baptists are a Christian denomination, denomination within Protestant Christianity distinguished by baptizing only professing Christian believers (believer's baptism) and doing so by complete Immersion baptism, immersion. Baptist churches ge ...
,
Methodist Methodism, also called the Methodist movement, is a Protestant Christianity, Christian Christian tradition, tradition whose origins, doctrine and practice derive from the life and teachings of John Wesley. George Whitefield and John's brother ...
and Congregational preachers traveled and organized revivals and camp meetings. In addition, independent sects developed in central and western New York during this period, including the
Church of Jesus Christ of Latter Day Saints The Church of Jesus Christ of Latter-day Saints, informally known as the LDS Church or Mormon Church, is a nontrinitarian restorationist Christian denomination and the largest denomination in the Latter Day Saint movement. Founded dur ...
, the
Shakers The United Society of Believers in Christ's Second Appearing, more commonly known as the Shakers, are a Millenarianism, millenarian Restorationism, restorationist Christianity, Christian sect founded in England and then organized in the Unit ...
and the Universal Friends.


Latter Day Saint movement

Joseph Smith Joseph Smith Jr. (December 23, 1805June 27, 1844) was an American religious and political leader and the founder of Mormonism and the Latter Day Saint movement. Publishing the Book of Mormon at the age of 24, Smith attracted tens of thou ...
, founder of the
Latter Day Saint movement The Latter Day Saint movement (also called the LDS movement, LDS restorationist movement, or Smith–Rigdon movement) is the collection of independent church groups that trace their origins to a Christian Restorationist movement founded by ...
, lived in
Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...
in the 1820s on the border with Palmyra. Several events in the early history of the movement occurred in Ontario County. Hill Cumorah in Manchester is where Smith said he discovered the Golden plates said to contain the writings later known as the '' Book of Mormon''. Smith visited the hill each year on the fall equinox (September 22) between 1823 and 1827, and claimed to be instructed by the Angel Moroni. Smith said he was finally permitted to take the record on September 22, 1827. He published the '' Book of Mormon'' in Palmyra in 1830. The hill (which was then unnamed) is on the main road toward Canandaigua from Palmyra to
Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...
(modern State Route 21); it was a few miles from Joseph Smith's home. Since the 1930s
the Church of Jesus Christ of Latter-day Saints The Church of Jesus Christ of Latter-day Saints, informally known as the LDS Church or Mormon Church, is a Nontrinitarianism, nontrinitarian Restorationism, restorationist Christianity, Christian Christian denomination, denomination and the ...
has held the Hill Cumorah Pageant annually here. It regularly attracts thousands to its performances. The church also maintains a visitors' center at the hill, the Palmyra New York Temple, and the former Smith property and homes. The latter property straddles the border between Ontario and Wayne counties.


Geography

According to the U.S. Census Bureau, the county has a total area of , of which is land and (2.8%) is water. Ontario County is in western New York State, east of Buffalo, southeast of Rochester, and northwest of Ithaca. The county is within the Finger Lakes Region of the state.


Adjacent counties

* Wayne County - north * Seneca County - east * Yates County - south * Steuben County - southwest * Livingston County - west * Monroe County - northwest


Major highways

* Interstate 90 (New York State Thruway) * Interstate 490 * U.S. Route 20 * U.S. Route 20A * New York State Route 5 * New York State Route 14 * New York State Route 14A * New York State Route 15A * New York State Route 21 *
New York State Route 31 New York State Route 31 (NY 31) is a state highway that extends for across western and central New York (state), New York in the United States. The western terminus of the route is at an intersection with New York State Route 104, NY ...
* New York State Route 53 * New York State Route 64 * New York State Route 65 * New York State Route 88 * New York State Route 96 * New York State Route 245 * New York State Route 247 * New York State Route 251 * New York State Route 318 * New York State Route 332 * New York State Route 364 * New York State Route 444 * New York State Route 488


Government and politics

The county is governed by an elected ''Board of Supervisors'', and uses the ''Board-Administrator'' system, hiring a professional County Administrator. The Board of Supervisors has twenty-one members: one is elected from each Town, two from the city of Canandaigua and three from the city of
Geneva Geneva ( , ; ) ; ; . is the List of cities in Switzerland, second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the ca ...
. As of 2004, the county government has over 800 full-time employees (augmented by another 360 seasonal or available part-time workers), and a budget of $136 million. The county is similar in its politics to much of the rest of rural upstate New York; its voters have tended to support Republican presidential candidates ever since that party was formed, and before that they supported the Whig Party. However, beginning in the 1990s, the Democratic Party began to improve its performance in Ontario County thanks to the growth of Rochester's outer suburbs in areas such as Victor and Farmington. In 1996, Ontario County voted for the Democratic presidential candidate for the first time since 1964 and only the second time since the Whig Party contested its first presidential election in 1836. In 2008,
John McCain John Sidney McCain III (August 29, 1936 – August 25, 2018) was an American statesman and United States Navy, naval officer who represented the Arizona, state of Arizona in United States Congress, Congress for over 35 years, first as ...
narrowly edged a victory over
Barack Obama Barack Hussein Obama II (born August 4, 1961) is an American politician who was the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American president in American history. O ...
by less than one percent, and in 2012 Obama narrowly lost the county to Republican nominee Mitt Romney by a margin of 1.5 percent. In 2016, Republican nominee
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
of New York City won the county by 7.3 percent over Democratic nominee and former United States Secretary of State / former Senator from New York
Hillary Clinton Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, lawyer and diplomat. She was the 67th United States secretary of state in the administration of Barack Obama from 2009 to 2013, a U.S. senator represent ...
of Chappaqua, New York. In 2020, Democrat
Joe Biden Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who was the 46th president of the United States from 2021 to 2025. A member of the Democratic Party (United States), Democratic Party, he served as the 47th vice p ...
came incredibly close to winning the county, losing to Trump by just 33 votes. In 2024, the county voted for Trump by a full majority for the first time since 2004.


State and federal government

Ontario County is part of: * The 7th Judicial District of the
New York Supreme Court The Supreme Court of the State of New York is the superior court in the Judiciary of New York. It is vested with unlimited civil and criminal jurisdiction, although in many counties outside New York City it acts primarily as a court of civil ju ...
* The 4th Department of the New York Supreme Court, Appellate Division


Economy

According to the 2022 Census of Agriculture, Ontario County ranked fourth in New York for acres of berries grown. Farmers in the county reported berries grown on 220 acres that year.


Demographics

As of the
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
of 2000, there were 100,224 people, 38,370 households, and 26,360 families residing in the county. The population density was . There were 42,647 housing units at an average density of . According to respondents' self-identification, the racial makeup of the county was 95.04%
White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 2.06%
African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 0.22% Native American, 0.69% Asian, 0.02%
Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...
, 0.70% from other races, and 1.26% from two or more races.
Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
or Latino of any race were 2.14% of the population. Based on self-identification, 17.9% were of German, 14.9% Irish, 14.8% English, 13.8% Italian, 7.3% American and 5.1% Dutch ancestry according to Census 2000. 95.6% spoke English and 2.3% Spanish as their first language. There were 38,370 households, out of which 32.80% had children under the age of 18 living with them, 55.00% were married couples living together, 9.90% had a female householder with no husband present, and 31.30% were non-families. 24.70% of all households were made up of individuals, and 10.10% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.03. In the county, the population was spread out, with 25.40% under the age of 18, 8.30% from 18 to 24, 28.40% from 25 to 44, 24.80% from 45 to 64, and 13.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 95.60 males. For every 100 females age 18 and over, there were 92.70 males. The median income for a household in the county was $44,579, and the median income for a family was $52,698. Males had a median income of $36,732 versus $26,139 for females. The per capita income for the county was $21,533. About 4.90% of families and 7.30% of the population were below the poverty line, including 9.10% of those under age 18 and 6.40% of those age 65 or over.


2020 Census


Communities


Larger settlements

† - County Seat ‡ - Not Wholly in this County


Towns

*
Bristol Bristol () is a City status in the United Kingdom, cathedral city, unitary authority area and ceremonial county in South West England, the most populous city in the region. Built around the River Avon, Bristol, River Avon, it is bordered by t ...
* Canadice * Canandaigua * East Bloomfield * Farmington *
Geneva Geneva ( , ; ) ; ; . is the List of cities in Switzerland, second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the ca ...
* Gorham * Hopewell *
Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...
*
Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
* Phelps * Richmond * Seneca * South Bristol * Victor * West Bloomfield


Hamlets

* Border City * Centerfield *
Cheshire Cheshire ( ) is a Ceremonial counties of England, ceremonial county in North West England. It is bordered by Merseyside to the north-west, Greater Manchester to the north-east, Derbyshire to the east, Staffordshire to the south-east, and Shrop ...
* Fishers *
Hall In architecture, a hall is a relatively large space enclosed by a roof and walls. In the Iron Age and the Early Middle Ages in northern Europe, a mead hall was where a lord and his retainers ate and also slept. Later in the Middle Ages, the gre ...
* Hopewell Center * Ionia * Orleans * Seneca Castle * Stanley


See also

*
List of counties in New York There are 62 county (United States), counties in the U.S. state of New York (state), New York. The first 12 counties were created in 1683 soon after the British took over the Dutch colony of New Amsterdam; two of these counties were later a ...
* National Register of Historic Places listings in Ontario County, New York


References

;Bibliography * ;Notes


Further reading

*


External links


Ontario County - Official website


from the '' Progressive Farmer'' website
Ontario County history page
{{authority control Finger Lakes 1789 establishments in New York (state) Rochester metropolitan area, New York Populated places established in 1789 New York (state) placenames of Native American origin