|Jefferson County, New York|
Location within the U.S. state of New York
New York's location within the U.S.
|Named for||Thomas Jefferson|
|• Total||1,857 sq mi (4,810 km2)|
|• Land||1,269 sq mi (3,287 km2)|
|• Water||589 sq mi (1,526 km2), 32%|
|• Density||92/sq mi (36/km2)|
|Time zone||Eastern: UTC−5/−4|
Jefferson County is a county in the U.S. state of New York. As of the 2010 census, the population was 116,229. Its county seat is Watertown. The county is named after Thomas Jefferson, third President of the United States of America. It is adjacent to Lake Ontario, southeast from the Canada–US border of Ontario.
When counties were established in the Province of New York in 1683, the present Jefferson County was part of Albany County. This was an enormous county, including the northern part of New York State as well as all of the present State of Vermont and, in theory, extending westward to the Pacific Ocean. This county was reduced in size on July 3, 1766 by the creation of Cumberland County, and further on March 16, 1770 by the creation of Gloucester County, both containing territory now in Vermont.
On March 12, 1772, what was left of Albany County was split into three parts, one remaining under the name Albany County. One of the other pieces, Tryon County, contained the western portion (and thus, since no western boundary was specified, theoretically still extended west to the Pacific). The eastern boundary of Tryon County was approximately 5 miles (8.0 km) west of the present city of Schenectady, and the county included the western part of the Adirondack Mountains and the area west of the West Branch of the Delaware River. The area then designated as Tryon County now includes 37 counties of New York State. The county was named for William Tryon, colonial governor of New York.
In the years subsequent to 1776, most of the Loyalists in Tryon County fled to Canada. In 1784, following the peace treaty that ended the American Revolutionary War, the name of Tryon County was changed to Montgomery County to honor the general, Richard Montgomery, who had captured several places in Canada and died attempting to capture the city of Quebec, replacing the name of the hated British governor.
In 1789, the size of Montgomery County was reduced by the splitting off of Ontario County from Montgomery. The actual area split off from Montgomery County was much larger than the present county, also including the present Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston, Monroe, Niagara, Orleans, Steuben, Wyoming, Yates, and parts of Schuyler and Wayne Counties.
Jefferson County is part of Macomb's Purchase of 1791.
In 1791, Herkimer County was one of three counties split off from Montgomery (the other two being Otsego, and Tioga County). This was much larger than the present county, however, and was reduced by a number of subsequent splits. The first one of these, in 1794, produced Onondaga County. This county was larger than the current Onondaga County, including the present Cayuga and Cortland Counties, and part of Oswego County.
According to the U.S. Census Bureau, the county has a total area of 1,857 square miles (4,810 km2), of which 1,269 square miles (3,290 km2) is land and 589 square miles (1,530 km2) (32%) is water. It is the fourth-largest county in New York by total area.
Jefferson County is located in the northern lobe of New York State, adjacent to the area where the Saint Lawrence River exits Lake Ontario. It is northeast of Syracuse, and northwest of Utica. The county is at the international border with Canada.
The Black River, which empties into Lake Ontario, is an important waterway in the county. Part of the Tug Hill Plateau is in the southern part of the county. The county contains part of the Thousand Islands in the St. Lawrence River, including such large islands as Carleton Island, Grindstone Island, and Wellesley Island.
- St. Lawrence County – northeast
- Lewis County – southeast
- Oswego County – southwest
- Leeds and Grenville United Counties, Ontario – north
- Frontenac County, Ontario – northwest
|U.S. Decennial Census|
As of the census of 2000, there were 111,738 people, 40,068 households, and 28,127 families residing in the county. The population density was 88 people per square mile (34/km²). There were 54,070 housing units at an average density of 42 per square mile (16/km²). The racial makeup of the county was 88.71% White, 5.83% Black or African American, 0.53% Native American, 0.92% Asian, 0.14% Pacific Islander, 2.05% from other races, and 1.82% from two or more races. 4.19% of the population were Hispanic or Latino of any race. 93.2% spoke English and 3.5% Spanish as their first language.
There were 40,068 households out of which 37.20% had children under the age of 18 living with them, 55.60% were married couples living together, 10.40% had a female householder with no husband present, and 29.80% were non-families. 24.40% 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 2.58 and the average family size was 3.07.
In the county, the population was spread out with 26.50% under the age of 18, 11.80% from 18 to 24, 31.30% from 25 to 44, 19.10% from 45 to 64, and 11.30% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 107.30 males. For every 100 females age 18 and over, there were 108.50 males.
The median income for a household in the county was $34,006, and the median income for a family was $39,296. Males had a median income of $28,727 versus $21,787 for females. The per capita income for the county was $16,202. About 10.00% of families and 13.30% of the population were below the poverty line, including 16.80% of those under age 18 and 9.20% of those age 65 or over.
Jefferson Community College in Watertown provides higher education within the county.
- Watertown (county seat)
All of the hamlets listed, except for Sanfords Four Corners, are also census-designated places.
Legislative authority is vested in the county Board of Legislators which consists of 15 members each elected from single member districts for two-year terms. As of 2018, there are 14 Republicans and 1 Democrat.
|1||Robert W. Cantwell III||Republican||Cape Vincent|
|2||William W. Johnson||Republican||Lyme|
|3||Philip N. Reed, Sr.||Republican||Orleans|
|4||Allen T. Drake||Democrat||Theresa|
|5||Michael Montigelli||Republican||Le Ray|
|6||Daniel R. McBride||Republican||Wilna|
|7||John D. Peck||Republican||Champion|
|8||James A. Nabywaniec||Republican||Le Ray|
|9||Patrick R. Jareo||Republican||Ellisburg|
|10||Jeremiah J. Maxon||Republican||Adams|
|11||Robert D. Ferris||Republican||Watertown|
|12||Carolyn D. Fitzpatrick||Republican||Watertown|
|13||Scott A. Gray chairman||Republican||Watertown|
|14||Jennie M. Adsit||Republican||Watertown|
|15||Anthony J. Doldo||Republican||Watertown|
- Dewolf Point State Park
- List of counties in New York
- National Register of Historic Places listings in Jefferson County, New York
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- Ripley, Amanda. "The Least Politically Prejudiced Place in America". The Atlantic. ISSN 1072-7825. Retrieved 2019-03-05.
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- "U.S. Decennial Census". United States Census Bureau. Archived from the original on May 12, 2015. Retrieved January 5, 2015.
- "Historical Census Browser". University of Virginia Library. Retrieved January 5, 2015.
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- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "Jefferson County, New York : Legislature". co.jefferson.ny.us. Retrieved 5 April 2016.
- Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved 19 March 2018.
|Wikimedia Commons has media related to Jefferson County, New York.|
- Jefferson County webpage
- Jefferson County at Curlie
- Guide to historical information
- Summary history of Jefferson County, NY and its towns