New York

St. Lawrence

108,505
2020 population
1810
first census record
22
census records

About St. Lawrence

St. Lawrence, New York, first appears in the United States federal census in 1810, when it recorded a population of 7,885. At the most recent census, in 2020, its population stood at 108,505.

Its recorded population peaked at 114,254 in 1980, and has since declined by roughly 5 percent.

On the ground today, 8 documented military engagements have been recorded within the county, among them Battle of Ogdensburg Approach, Attack on Ogdensburg, Battle of Ogdensburg NY, and 81 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020108,505
2010111,944
2000111,931
1990111,974
1980114,254
1970111,991
1960111,239
195098,897
194091,098
193090,960
192088,121
191089,005
190089,083
189085,048
188085,997
187084,826
186083,689
185068,617
184056,706
183036,354
182016,037
18107,885
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in St. Lawrence

Military engagements that took place in St. Lawrence, New York.

Battle of Ogdensburg Approach
1812
Attack on Ogdensburg
1813
Battle of Ogdensburg NY
1813
Battle of the Windmill (precursor skirmish)
1813
Battle of Ogdensburg
1813
Battle of the Windmill (Upper St. Lawrence skirmish 1813)
1813
Battle of Ogdensburg (Feb 22 1813)
1813
Battle of the Windmill
1838

Historic places in St. Lawrence

National Register of Historic Places listings in St. Lawrence, New York.

Richardson Hall, St. Lawrence University
Canton
Ogdensburg Armory
Ogdensburg
Crossover Island Light Station
St. Lawrence
Stone Windmill
Morristown
Russell Town Hall
Russell
Hopkinton Green Historic District
Hopkinton
Herring-Cole Hall, St. Lawrence University
Canton
U.S. Customshouse
Ogdensburg
Trinity Episcopal Church
Potsdam
First Congregational Church of Madrid
Madrid
U.S. Post Office
Ogdensburg
Childwold Memorial Presbyterian Church
Piercefield
Wanakena Presbyterian Church
Wanakena
Lisbon Railroad Depot
Lisbon
Hepburn Library of Colton
Colton
New York State Armory
Ogdensburg
Chase Mills Inn
Chase Mills
Arab Mountain Fire Observation Station
Piercefield
Pickens Hall
Heuvelton
Buck's Bridge United Methodist Church
Buck's Bridge
Brick Chapel Church and Cemetery
Canton
Zion Episcopal Church and Rectory
Colton
Bayside Cemetery and Gatehouse Complex
Potsdam
Fort La Presentation Site
Ogdensburg
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Everything a full report reveals about St. Lawrence County, New York

This page charts the census history of St. Lawrence County, New York. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about St. Lawrence

When does St. Lawrence first appear in the US census?
St. Lawrence, New York first appears in the federal census in 1810, with a recorded population of 7,885.
What is the population of St. Lawrence?
At the most recent federal census (2020), St. Lawrence had a recorded population of 108,505.
When did St. Lawrence's population peak?
St. Lawrence's recorded population peaked at 114,254 in 1980.
Were any battles fought in St. Lawrence?
8 documented military engagements took place in St. Lawrence, including Battle of Ogdensburg Approach, Attack on Ogdensburg, Battle of Ogdensburg NY.
How many historic places are in St. Lawrence?
81 sites are listed on the National Register of Historic Places in St. Lawrence, New York.
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