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Where am ILOCATED

St. Lawrence County, New York

St. Lawrence County, New York, has 105,488 residents (July 2025 estimate). Its county seat is Canton. It uses Eastern Time and covers 2,680 sq mi (6,940 km²) of land.

New YorkBuffaloYonkers
St. Lawrence County in New York
Franklin CountyMassenaOgdensburgPotsdamCanton
St. Lawrence County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
105,488
Land area
2,680 sq mi (6,940 km²)
County seat or government
Canton
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$62,850 ± $2,870
Median home value
$121,900 ± $3,410
Median rent, with utilities
$818 ± $34
Homes lived in by their owners
71.9% ± 1.6 points
County type
County
Metro or micro area
Massena-Ogdensburg, NY micro areaCentral county
Water area
142 sq mi (367 km²)
State
New York
County code (FIPS)
36089
Coordinates (central point)
44.488112, -75.074311
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in St. Lawrence County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 1366215,556 people
  2. 1366915,542 people
  3. 1367612,874 people
  4. 1361712,431 people
  5. 136429,043 people
  6. 129865,326 people
  7. 136683,563 people
  8. 136673,476 people
  9. 136912,990 people
  10. 136132,931 people
  11. 136462,546 people
  12. 136482,236 people
All 54
  1. 136992,194 people
  2. 136582,189 people
  3. 136542,073 people
  4. 136522,067 people
  5. 136971,898 people
  6. 136251,792 people
  7. 136601,774 people
  8. 136081,676 people
  9. 136941,442 people
  10. 136351,279 people
  11. 129671,263 people
  12. 136791,205 people
  13. 136801,186 people
  14. 136301,184 people
  15. 136841,149 people
  16. 129801,075 people
  17. 12930897 people
  18. 13690748 people
  19. 12847740 people
  20. 13681738 people
  21. 12914711 people
  22. 13621589 people
  23. 13687483 people
  24. 13672449 people
  25. 13633389 people
  26. 13664384 people
  27. 13670378 people
  28. 12965363 people
  29. 12927318 people
  30. 13666234 people
  31. 13614214 people
  32. 13696181 people
  33. 13695157 people
  34. 12973154 people
  35. 1362368 people
  36. 1364956 people
  37. 1292244 people
  38. 1368341 people
  39. 1364726 people
  40. 1363923 people
  41. 1367820 people
  42. 136450 people

54 ZIP Code areas overlap St. Lawrence County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

St. Lawrence County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in St. Lawrence County, largest first

  1. Town of Potsdam14,819 people
  2. Town of Massena12,319 people
  3. Town of Canton11,551 people
  4. Town of Gouverneur6,486 people
  5. Town of Norfolk4,402 people
  6. Town of Lisbon4,235 people
  7. Town of Oswegatchie4,025 people
  8. Town of Stockholm3,826 people
  9. Town of Louisville3,013 people
  10. Town of Brasher2,592 people
  11. Town of Morristown2,567 people
  12. Town of Pierrepont2,521 people
All 32
  1. Town of Russell2,091 people
  2. Town of De Kalb2,067 people
  3. Town of Waddington2,021 people
  4. Town of Fowler1,869 people
  5. Town of Madrid1,767 people
  6. Town of Hammond1,683 people
  7. Town of Parishville1,658 people
  8. Town of Lawrence1,623 people
  9. Town of Colton1,395 people
  10. Town of Edwards1,327 people
  11. Town of Fine1,284 people
  12. Town of Hermon1,146 people
  13. Town of Hopkinton1,000 people
  14. Town of De Peyster955 people
  15. Town of Pitcairn833 people
  16. Town of Rossie785 people
  17. Town of Clifton768 people
  18. Town of Macomb752 people
  19. Town of Piercefield311 people
  20. Town of Clare80 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in New York, by county

School districts in St. Lawrence County, largest first

  1. Indian River Central School District24,117 people
  2. Massena Central School District16,436 people
  3. Potsdam Central School District13,975 people
  4. Canton Central School District12,582 people
  5. Gouverneur Central School District9,962 people
  6. Ogdensburg City School District9,786 people
  7. Salmon River Central School District7,465 people
  8. Norwood-Norfolk Central School District6,882 people
  9. Brasher Falls Central School District5,525 people
  10. Tupper Lake Central School District5,415 people
  11. Brushton-Moira Central School District4,663 people
  12. Lisbon Central School District4,221 people
All 24
  1. Heuvelton Central School District3,991 people
  2. Madrid-Waddington Central School District3,654 people
  3. Edwards-Knox Central School District3,648 people
  4. Alexandria Central School District3,589 people
  5. Morristown Central School District3,327 people
  6. Colton-Pierrepont Central School District2,558 people
  7. Hermon-DeKalb Central School District2,502 people
  8. Parishville-Hopkinton Central School District2,436 people
  9. Hammond Central School District2,127 people
  10. Harrisville Central School District2,069 people
  11. Clifton-Fine Central School District2,066 people
  12. St. Regis Falls Central School District1,994 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Massena, New York (village)10,238 people
  2. Ogdensburg, New York (city)9,455 people
  3. Potsdam, New York (village)8,427 people
  4. Canton, New York (village)7,167 people
  5. Akwesasne, New York (CDP)4,089 people
  6. Gouverneur, New York (village)3,615 people
  7. Norwood, New York (village)1,374 people
  8. Norfolk, New York (CDP)1,204 people
  9. Waddington, New York (village)1,062 people
  10. Brasher Falls, New York (CDP)776 people
  11. Hannawa Falls, New York (CDP)744 people
  12. Star Lake, New York (CDP)713 people
All 26
  1. Madrid, New York (CDP)641 people
  2. Hermon, New York (CDP)636 people
  3. Parishville, New York (CDP)634 people
  4. Hailesboro, New York (CDP)583 people
  5. Heuvelton, New York (village)546 people
  6. Winthrop, New York (CDP)530 people
  7. DeKalb Junction, New York (CDP)511 people
  8. Edwards, New York (CDP)490 people
  9. Rensselaer Falls, New York (village)483 people
  10. Morristown, New York (CDP)384 people
  11. Hammond, New York (village)320 people
  12. Richville, New York (village)311 people
  13. Colton, New York (CDP)260 people
  14. Cranberry Lake, New York (CDP)219 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Franklin County, New York38 mi east
  2. Lewis County, New York52 mi south
  3. Jefferson County, New York59 mi southwest
  4. Hamilton County, New York64 mi southeast
  5. Herkimer County, New York64 mi south

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.