St. Lawrence County, New York

St. Lawrence County: County in New York, United States


St. Lawrence County is a county located in the U.S. state of New York. As of the 2010 census, the population was 111,944 and a population density of 15 people per km². After 5 years in 2015 county had an estimated population of 111,007 inhabitants. Its county seat is Canton. The county was created 221 years ago in 1802.

St. Lawrence County locator map
Location of St. Lawrence County on New York map.

Quick Facts about St. Lawrence County

Population : 111,007 (2015)
Country : United States of America
State : New York (United States)
Area : 7308 km2
Water as percent of area : 5%
Land as percent of area : 95%
Named for : Saint Lawrence River
Altitude : 620 feet / 189 meters
Capital : Canton
Establishment : March 03, 1802
Time Zone : America/New_York
Local time : 14:35:09 (23rd February 2024)
Density : 15 Pop. per km² as of 2015
Population growth : -0.84% (2010-2015)
Raquette '1' image
Raquette '1'
Raquette '1' image


St. Lawrence County is located at 44°30'2"N 75°6'59"W (44.5006200, -75.1163100). It has 5 neighbors: Hamilton County, Franklin County, Herkimer County, Jefferson County and Lewis County.

St. Lawrence County map

The largest city of St. Lawrence County is Ogdensburg with a population of 10,388. Other cities include, Massena population 10,122, Oswegatchie population 4,250, Louisville population 3,001 and Pierrepont population 2,472. See all St. Lawrence County cities & populated places.

St. Lawrence County Populated Places (more)

Cities, towns, neighborhoods & other populated places in St. Lawrence County.

City Name Population Title
Canton 11,024 Village in St.
Ogdensburg 10,388 City in New York, USA
Massena 10,122 City in Cass County, Iowa, United States of America
Potsdam 8,796 Village in New York
Norfolk 4,397 Town in New York USA
Oswegatchie 4,250 Human settlement in St.
Lisbon 4,041 Town in New York, USA
Gouverneur 3,644 Town in New York, USA
Louisville 3,001 Human settlement in St.
Pierrepont 2,472 Human settlement in St.
De Kalb 2,309 Town in St.
Fowler 2,111 Town in New York, United States
Parishville 2,034 Human settlement in St.
Russell 1,767 Town in New York, USA
Madrid 1,633 City in New York, United States
Norwood 1,550 Village in St.

St. Lawrence County has 5 neighbours.


According to census records, the population of St. Lawrence County decreased by 0.84% in 5 years.

Year Population % Change Method
2010 111,944 - census
2011 112,273 0.29% estimation process
2012 112,303 0.03% estimation process
2013 111,963 -0.3% estimation process
2015 111,007 -0.86% demographic balance

Comte de Saint Lawrence, Comte de St. Lawrence, Comté de Saint Lawrence, Comté de St. Lawrence, Condado de St. Lawrence, Condado han St. Lawrence, Contea di St. Lawrence, Hrabstwo St. Lawrence, Okrug Sent Lorens, Quan St. Lawrence, Quận St. Lawrence, Sejnt Loruns, Sent Lourens srjan, Sent-Lorens, Sent-Lourens, St, St. Lawrence, St. Lawrence Comitatus, mqatʿt sant lwrns, senta lararensa ka'unti, sentororensu jun, sheng luo lun si xian, shhrstan snt larns nywywrk, Округ Сент Лоренс, Сейнт Лорънс, Сент-Лоренс, Сент-Лоуренс, Սենտ Լոուրենս շրջան, سینٹ لارنس کاؤنٹی، نیویارک, شهرستان سنت لارنس، نیویورک, مقاطعة سانت لورنس, সেন্ট লৱরেন্স কাউন্টি, セントローレンス郡, 聖羅倫斯縣

People born in St. Lawrence County (8)

People born in St. Lawrence County, including United States Marine David O'Brien Martin, politician F. B. Willis, jurist William Henry Stilwell, .


New York Other Counties (more counties)

County Name Population Title
New York City 8,398,748 The most populous city in the United States and the center of the New York metropolitan area.
Brooklyn 2,577,000 A borough of New York City.
Queens 2,339,150 The most populous borough of New York City.
Queens County 2,225,821 County in New York, United States
Manhattan 1,644,518 The most densely populated borough of New York City.
New York County 1,611,989 County in New York state, United States of America
Suffolk County 1,474,273 County in New York, United States
The Bronx 1,455,720 The fourth most populous borough of New York City.
Bronx County 1,401,142 Borough of New York City, United States
Nassau County 1,351,334 County in New York, United States
Westchester County 965,802 County in New York, United States.
Erie County 917,241 County in New York, United States
Hempstead 764,055 Town in Nassau County, New York
Monroe County 740,900 County in Florida, United States
Brookhaven 479,883 Town in Suffolk County, New York, United States
Richmond County 475,327 County in Georgia, United States