St. Lawrence County, New York Cities (2025)

55 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Potsdam town114,75814,909-0.2%146101.38 Town
Massena town212,13012,406-0.56%27444.34 Town
Canton town311,25911,794-0.82%108104.73 Town
Massena49,97310,245-0.54%2,2024.53 Village
Ogdensburg58,9289,867-2.06%1,8014.96 City
Potsdam68,4068,481-0.18%1,7094.92 Village
Canton76,8527,381-1.52%1,6534.14 Village
Gouverneur town86,6106,4850.75%9371.20 Town
Norfolk town94,3474,460-0.48%7756.74 Town
Lisbon town104,2894,2190.37%40108.28 Town
Oswegatchie town113,9954,1480.2%6165.50 Town
Stockholm town123,8643,8190.29%4193.90 Town
Gouverneur133,6163,6180%1,6502.19 Village
Louisville town142,9913,046-0.23%6248.52 Town
Brasher town152,5452,620-0.55%2891.11 Town
Pierrepont town162,5392,5180.2%4260.23 Town
De Kalb town172,3332,369-0.21%2882.52 Town
Waddington town182,2492,2350.22%4451.61 Town
Fowler town192,1362,135-0.28%3659.18 Town
Morristown town202,0682,079-0.1%4545.73 Town
Parishville town211,9992,037-0.4%2098.11 Town
Russell town221,8731,873-0.16%1996.50 Town
Madrid town231,7061,736-0.41%3252.98 Town
Norwood241,5301,565-0.46%7302.10 Village
Colton town251,4991,531-0.4%6241.70 Town
Fine town261,2781,306-0.47%8166.61 Town
Hammond town271,2501,258-0.24%2062.21 Town
Hermon town281,1031,0740.46%2153.15 Town
Hopkinton town291,0751,102-0.56%6185.34 Town
De Peyster town301,0701,0170.85%2542.93 Town
Edwards town319981,012-0.2%2050.14 Town
Macomb town329689181.04%1660.72 Town
Waddington339419380.11%4322.18 Village
Hannawa Falls348541,040-1.5%1675.13 CDP
Madrid358388050.6%2253.73 CDP
Pitcairn town367967910.13%1458.80 Town
Rossie town37775795-0.51%2137.79 Town
Norfolk38755886-4.79%2792.70 CDP
Heuvelton397207190%9460.76 Village
Clifton town40677678-0.15%5134.35 Town
DeKalb Junction416765351.5%1703.98 CDP
Edwards426754307.14%7300.93 CDP
Parishville436476230%1963.29 CDP
Hailesboro446287760%1344.70 CDP
Star Lake45609540-2.09%1404.34 CDP
Hermon465963877.19%1,2110.49 CDP
Brasher Falls47470605-2.89%2861.64 CDP
Rensselaer Falls483213230%1,1030.29 Village
Hammond492832850%4830.59 Village
Piercefield town50275282-0.36%3104.16 Town
Richville51258267-0.77%3500.74 Village
Colton52256290-2.29%1541.66 CDP
Winthrop53166174-12.17%602.78 CDP
Cranberry Lake54105126-5.41%519.42 CDP
Clare town558993-1.11%196.50 Town

St. Lawrence County Cities Summary

Largest City

Potsdam town is the largest city in St. Lawrence County, with a population of 14,758.

Smallest City

Clare town is the smallest city in St. Lawrence County.

10 Largest Cities

There are 55 cities in St. Lawrence County, New York.

Location of St. Lawrence County