St. Lawrence County, New York
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St. Lawrence County, New York
St. Lawrence County
The Raquette River in Colton, New York
Flag of St. Lawrence County
Official seal of St. Lawrence County
Map of New York highlighting St. Lawrence County
Location within the U.S. state of New York
Map of the United States highlighting New York
New York's location within the U.S.
Coordinates: 44°30?N 75°04?W / 44.5°N 75.07°W / 44.5; -75.07
State New York
Named forSaint Lawrence River
Largest cityMassena
 o Total2,821 sq mi (7,310 km2)
 o Land2,680 sq mi (6,900 km2)
 o Water141 sq mi (370 km2)  5.0%
 o Total111,944
 o Density42/sq mi (16/km2)
Time zoneUTC-5 (Eastern)
 o Summer (DST)UTC-4 (EDT)
Congressional district21st

St. Lawrence County is a county in the U.S. state of New York. As of the 2010 census, the population was 111,944.[1] The county seat is Canton.[2] The county is named for the Saint Lawrence River, which in turn was named for the Christian saint Lawrence of Rome, on whose Feast day the river was visited by French explorer Jacques Cartier.

St. Lawrence County comprises the Ogdensburg-Massena, NY Micropolitan Statistical Area and is New York's largest county by area.


When counties were established in New York State in 1683, the present St. Lawrence County was part of Albany County. This was an enormous territory, 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. The 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. The other two were called Tryon County (later renamed Montgomery County) and Charlotte County (later renamed Washington County). Tryon County contained the western portion (and, since no western boundary was specified, theoretically extended west to the Pacific). The eastern boundary of Tryon County was approximately five miles 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 includes what are now 37 counties of New York State. The county was named for William Tryon, colonial governor of New York. Charlotte County contained the eastern portion of Albany County.

In 1784, following the peace treaty that ended the American Revolutionary War, the name "Charlotte County" was changed to Washington County to honor George Washington, the American Revolutionary War general and later President of the United States of America. Tryon County was changed to Montgomery County to honor the general, Richard Montgomery, who had captured several places in Canada and died trying to capture the city of Quebec; it replaced the name of the hated British governor.

In 1788, Clinton County was split off from Washington County. This was a much larger area than the present Clinton County, including part of what would later become St. Lawrence County, as well as several other counties or county parts of the present New York State.

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 part of Schuyler and Wayne Counties.

St. Lawrence 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 was the splitting off in 1794 of Onondaga County. This county was larger than the current Onondaga County, including the present Cayuga, Cortland, and part of Oswego Counties. This was followed by the splitting off in 1798 from Herkimer County of two portions: one, Oneida County, was larger than the current Oneida County, including the present Jefferson, Lewis, and part of Oswego Counties; another portion, together with a portion of Tioga County, was taken to form Chenango County.

In 1799, Clinton County was reduced in size by the splitting off of Essex County from Clinton County.

In 1802, parts of Clinton, Herkimer, and Montgomery Counties were taken to form the new St. Lawrence County. At that time Ogdensburg was the county seat. In 1828 the county seat was moved to Canton. The selection of Canton as the county was a compromise by the state legislature to end competition between factions supporting Ogdensburg and Potsdam for the county seat.[3]


On September 5, 1944, a 5.8 magnitude earthquake centered in Massena struck the county. The earthquake was felt from Canada south to Maryland, and from Maine west to Indiana. The earthquake was the strongest earthquake in New York State history.[4]


According to the U.S. Census Bureau, the county has a total area of 2,821 square miles (7,310 km2), of which 2,680 square miles (6,900 km2) is land and 141 square miles (370 km2) (5.0%) is water.[5] It is the largest county by area in New York. It is larger than the entire state of Rhode Island (1544.9 square miles) and the state of Delaware (2488.72 square miles).

Part of the County is in the Adirondack Park and includes much of the Oswegatchie River, Cranberry Lake and Lake Ozonia.

Adjacent counties


As of the census[11] of 2000, there were 113,931 people, 40,506 households, and 26,936 families residing in the county. The population density was 42 people per square mile (16/km²). There were 49,721 housing units at an average density of 18 per square mile (7/km²). The racial makeup of the county was 94.51% White, 2.38% African American, 0.87% Native American, 0.71% Asian, 0.03% Pacific Islander, 0.69% from other races, and 0.51% from two or more races. Hispanic or Latino of any race were 1.79% of the population. 16.9% were of French, 16.1% Irish, 13.9% American, 11.6% English, 8.1% French Canadian, 7.9% German and 7.6% Italian ancestry according to Census 2000. 95.6% spoke English, 1.2% Spanish and 3.2% French as their first language.

There were 40,506 households out of which 31.80% had children under the age of 18 living with them, 51.50% were married couples living together, 10.30% had a female householder with no husband present, and 33.50% were non-families. 26.50% of all households were made up of individuals and 11.20% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 2.99.

In the county, the population was spread out with 23.40% under the age of 18, 13.80% from 18 to 24, 27.40% from 25 to 44, 22.40% from 45 to 64, and 13.00% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 103.30 males. For every 100 females age 18 and over, there were 102.10 males.

The median income for a household in the county was $30,356, and the median income for a family was $34,510. Males had a median income of $30,135 versus $24,253 for females. The per capita income for the county was $14,728. About 12.30% of families and 19.90% of the population were below the poverty line, including 21.30% of those under age 18 and 10.30% of those age 65 or over.


School districts

There are 17 school districts centered in St. Lawrence County, all under the jurisdiction of the St. Lawrence-Lewis BOCES Supervisory District along with Harrisville Central School District in Lewis County, New York.

  • Brasher Falls Central School District: St. Lawrence Central School, Brasher Falls
  • Canton Central School District: Hugh Williams Senior High School, Canton
  • Clifton-Fine Central School District: Clifton-Fine Central School, Star Lake
  • Colton-Pierrepont Central School District: Colton-Pierrepont Central School, Colton
  • Edwards-Knox Central School District: Edwards-Knox Central School, Russell
  • Gouverneur Central School District: Gouverneur Junior/Senior High School, Gouverneur
  • Hammond Central School District: Hammond Central School, Hammond
  • Hermon-Dekalb Central School District: Hermon-Dekalb Central School, Dekalb Junction
  • Heuvelton Central School District: Heuvelton Central School, Heuvelton
  • Lisbon Central School District: Lisbon Central School, Lisbon
  • Madrid-Waddington Central School District: Madrid-Waddington Central School, Madrid
  • Massena Central School District: Massena Senior High School, Massena
  • Morristown Central School District: Morristown Central School, Morristown
  • Norwood-Norfolk Central School District: Norwood-Norfolk Central School, Norfolk
  • Ogdensburg City School District: Ogdensburg Free Academy, Ogdensburg
  • Parishville-Hopkinton Central School District: Parishville-Hopkinton Central School, Parishville
  • Potsdam Central School District: Potsdam High School, Potsdam

All public high schools in St. Lawrence County compete in the New York State Public High School Athletic Association Section X Northern Athletic Conference.

Universities and colleges

Saint Lawrence County is home to St. Lawrence University, State University of New York at Potsdam, Clarkson University, the SUNY-ESF Ranger School, and the State University of New York at Canton.


Presidential election results
Presidential elections results[12]
Year Republican Democratic Third parties
2016 50.9% 19,942 42.1% 16,488 7.0% 2,728
2012 40.7% 15,138 57.4% 21,353 1.9% 700
2008 41.0% 16,956 57.4% 23,706 1.6% 664
2004 43.2% 18,029 54.7% 22,857 2.1% 875
2000 41.3% 16,449 53.8% 21,386 4.9% 1,951
1996 28.1% 10,827 56.7% 21,798 15.2% 5,852
1992 32.9% 13,901 43.0% 18,197 24.2% 10,219
1988 51.4% 20,290 47.9% 18,921 0.7% 270
1984 61.8% 26,062 37.9% 15,963 0.3% 124
1980 46.5% 18,437 42.9% 17,006 10.6% 4,181
1976 55.7% 22,249 43.8% 17,503 0.5% 182
1972 63.0% 26,145 36.8% 15,286 0.2% 72
1968 55.3% 20,982 41.3% 15,662 3.4% 1,289
1964 29.3% 12,102 70.6% 29,173 0.1% 32
1960 57.1% 25,848 42.9% 19,430 0.1% 24
1956 74.5% 31,897 25.5% 10,892 0.0% 0
1952 68.3% 28,036 31.7% 13,000 0.1% 32
1948 60.6% 21,160 37.8% 13,200 1.6% 565
1944 58.9% 21,919 40.9% 15,223 0.2% 77
1940 60.9% 24,339 38.9% 15,569 0.2% 82
1936 65.8% 26,031 32.3% 12,763 1.9% 762
1932 63.5% 22,650 35.6% 12,687 1.0% 343
1928 66.2% 25,804 32.3% 12,567 1.5% 589
1924 71.5% 22,583 22.5% 7,103 6.0% 1,898
1920 75.6% 24,651 22.1% 7,213 2.3% 742
1916 66.8% 13,142 30.8% 6,056 2.5% 485
1912 44.9% 8,404 28.5% 5,329 26.7% 4,988
1908 67.9% 14,151 28.3% 5,898 3.8% 800
1904 70.4% 15,274 26.7% 5,798 2.8% 614
1900 71.0% 15,296 26.5% 5,699 2.5% 544
1896 71.0% 15,287 26.7% 5,749 2.3% 505
1892 64.2% 13,177 30.0% 6,156 5.9% 1,202
1888 67.6% 14,611 30.1% 6,509 2.4% 508
1884 67.9% 13,441 30.5% 6,035 1.7% 331

Prior to the 1992 Presidential Election, St. Lawrence County was a traditionally Republican county, supporting the Democrats only in their sweep of New York State counties in 1964. From 1992 through the 2012 election, St. Lawrence County swung Democratic, posting double-digit victories for Democratic candidates, most notably in 1996 when Bill Clinton won the county by 28-point margin over Bob Dole. The first Republican victory in the county since 1988 came in 2016 when Donald Trump carried the county by an eight-point margin.





The following public use airports are located in the county:[13]





Census-designated places


See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved 2013.
  2. ^ "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved .
  3. ^ Linda Casserly, County Courthouse Has 'Fiery' History Archived 2011-06-11 at the Wayback Machine, St. Lawrence Plaindealer, May 23, 2000. Archived copy on website of New York 4th Judicial District, St. Lawrence County.
  4. ^ Historic Earthquakes Archived 2016-11-10 at the Wayback Machine, US Geological Survey, (2012-11-01). Retrieved on 2013-07-12.
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on May 19, 2014. Retrieved 2015.
  6. ^ "Population and Housing Unit Estimates". Retrieved 2019.
  7. ^ "U.S. Decennial Census". United States Census Bureau. Archived from the original on April 26, 2015. Retrieved 2015.
  8. ^ "Historical Census Browser". University of Virginia Library. Archived from the original on August 11, 2012. Retrieved 2015.
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Archived from the original on February 19, 2015. Retrieved 2015.
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on December 18, 2014. Retrieved 2015.
  11. ^ "American FactFinder". United States Census Bureau. Archived from the original on 2020-02-12. Retrieved .
  12. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". Archived from the original on 23 March 2018. Retrieved 2018.
  13. ^ St. Lawrence County Public and Private Airports, New York Archived 2011-10-19 at the Wayback Machine. Retrieved June 13, 2013.

External links

Coordinates: 44°30?N 75°04?W / 44.50°N 75.07°W / 44.50; -75.07

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