• county
  • FIPS 36089
  • Largest town: Massena

St. Lawrence County, New York

St. Lawrence County had 106,198 residents in the Census Vintage 2024 estimate, on 2,679.5 square miles of land. It is the largest by land of New York's 62 county-equivalents.

Population
106,198
#27 of 62 in New York · #592 in US
Area
2,679.5 sq mi
#1 of 62 in New York · #195 in US
Density
40 / sq mi
#57 of 62 in New York · #1,683 in US
Median household income
$57,832
#56 of 62 in New York · #2,048 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

St. Lawrence County within New York. Pin: Albany.

St. Lawrence County population, land area and income

St. Lawrence County had 106,198 residents in the Census Vintage 2024 estimate, on 2,679.5 square miles of land. It is the largest by land of New York's 62 county-equivalents. That works out to 39.6 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in New York has 85,936 residents; St. Lawrence County is somewhat larger.

Its SAIPE 2023 median household income of $57,832 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

106,198

3144th1st

592nd of 3,144 (US)

Land area

2,680 sq mi

3144th1st

195th of 3,144 (US)

Density

39.6 / sq mi

3144th1st

1683rd of 3,144 (US)

Median household income

$57,832

3143rd1st

2048th of 3,143 (US)

Rank within New York (62)

Population

106,198

62nd1st

27th of 62 (NY)

Land area

2,680 sq mi

62nd1st

1st of 62 (NY)

Density

39.6 / sq mi

62nd1st

57th of 62 (NY)

Median household income

$57,832

62nd1st

56th of 62 (NY)

How St. Lawrence County's population changed since 2020

St. Lawrence County lost 2,129 residents between the July 2020 and July 2024 estimates, a drop of 2.0%. That ranks 50th of 62 in New York for growth. The median New York county changed by -0.8%, and the state as a whole by -1.2%.

Since the April 2020 estimates base, St. Lawrence County recorded 4,002 births and 5,264 deaths, a natural change of -1,262. Net international migration added +839 and net domestic migration, people moving to or from other US counties, came to -1,903. The largest single component was domestic migration, which removed 1,903 people.

108.3k2020107.8k2021107.0k2022106.7k2023106.2k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
4,002
Deaths
5,264
Net international migration
+839
Net domestic migration
-1,903
Change, July 2023 to July 2024
-529

Where St. Lawrence County is

The Census internal point of St. Lawrence County is at 44.488100, -75.074300. It sits in UTM zone 18N. The map shades New York's 62 county-equivalents by population change from 2020 to 2024, darker for faster growth, with St. Lawrence County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
44.488100, -75.074300
DMS
44°29'17.16"N 75°04'27.48"W
UTM
18N 494092.1E 4926090.0N
Geohash
drft5du9f
Plus code
87P6FWQG+67

Towns in St. Lawrence County

6 incorporated places of 1,000+ people have residents in St. Lawrence County, 39,519 people together, or 37% of the county. Each figure counts only the part of the town inside St. Lawrence County; towns marked "part" extend into another county. The largest is Massena with 9,998.

  1. 01Massena9,998
  2. 02Ogdensburg9,282
  3. 03Potsdam8,162
  4. 04Canton6,957
  5. 05Gouverneur3,587
  6. 06Norwood1,533
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering St. Lawrence County

The Census 2024 county adjacency file lists 5 neighbors for St. Lawrence County. The most populous is Jefferson County, NY, with 113,140 residents. Distances run between Census internal points in a straight line.

Distance to Albany and the nearest big city

Albany is 142.9 miles SSE of St. Lawrence County's internal point in a straight line. The nearest place of 100,000 or more is Syracuse, NY (population 146,097), 113.3 miles away. The nearest place of 10,000 or more is Watertown, NY (population 24,038), 54.6 miles away.

St. Lawrence County FIPS code

The FIPS code of St. Lawrence County is 36089: state code 36 for New York plus county code 089. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $57,832.

Questions people ask

What is the population of St. Lawrence County, New York?

The Census Vintage 2024 estimate for July 1, 2024 is 106,198. That is down 2,129 people (2.0%) from the July 2020 estimate of 108,327.

What is the FIPS code of St. Lawrence County?

36089. The first two digits (36) are New York; the last three (089) identify the county.

What is the largest town in St. Lawrence County?

Massena, with 9,998 residents inside St. Lawrence County in 2024.

Which counties border St. Lawrence County?

5 county-equivalents border it in the Census 2024 adjacency file: Jefferson County, NY; Herkimer County, NY; Franklin County, NY; Lewis County, NY; Hamilton County, NY.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.