St. Lawrence County, New York Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

35 cities

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Potsdam114,78814,909-0.2%146101.4Town
Massena212,19812,406-0.55%27544.3Town
Canton311,35211,794-0.81%108104.7Town
Massena410,02710,245-0.55%2,2134.5Village
Ogdensburg59,1169,867-2.02%1,8395.0City
Potsdam68,4218,481-0.18%1,7124.9Village
Canton76,9587,381-1.5%1,6794.1Village
Gouverneur86,5616,4850.75%9271.2Town
Norfolk94,3684,460-0.48%7756.7Town
Lisbon104,2734,2190.38%39108.3Town
Oswegatchie113,9874,1480.2%6165.5Town
Stockholm123,8533,8190.29%4193.9Town
Gouverneur133,6163,618-0.03%1,6502.2Village
Louisville142,9983,046-0.23%6248.5Town
Brasher152,5592,620-0.54%2891.1Town
Pierrepont162,5342,5180.2%4260.2Town
De Kalb172,3382,369-0.21%2882.5Town
Waddington182,2442,2350.22%4351.6Town
Fowler192,1422,135-0.28%3659.2Town
Morristown202,0702,079-0.1%4545.7Town
Parishville212,0072,037-0.4%2098.1Town
Russell221,8761,873-0.16%1996.5Town
Madrid231,7131,736-0.41%3253.0Town
Norwood241,5371,565-0.45%7342.1Village
Colton251,5051,531-0.4%6241.7Town
Fine261,2841,306-0.46%8166.6Town
Hammond271,2531,258-0.24%2062.2Town
Hermon281,0981,0740.46%2153.2Town
Hopkinton291,0811,102-0.55%6185.3Town
De Peyster301,0611,0170.86%2542.9Town
Waddington319409380%4312.2Village
Heuvelton327207190%9460.8Village
Rensselaer Falls33321323-0.31%1,1030.3Village
Hammond34283285-0.35%4830.6Village
Richville35260267-0.76%3520.7Village

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in St. Lawrence County, New York?

Potsdam is the largest city in St. Lawrence County.

What is the smallest city in St. Lawrence County, New York?

Richville is the smallest city in St. Lawrence County.

How many cities are in St. Lawrence County?

There are 35 cities in St. Lawrence County, New York.

Frequently Asked Questions