Largest Municipalities in Each County

Most of the largest cities and towns in each county is well known, and in many cases it is the county seat. Starred towns in Italic are county seats.

County – Largest Municipality Population
Albany County – Albany city* 97,279
Allegany County – Wellsville town 6,974
Broome County – Union town 53,251
Cattaraugus County – Olean city 13,597
Cayuga County – Auburn city* 26,454
Chautauqua County – Jamestown city 29,315
Chenango County – Norwich city* 6644
Chemung County – Elmira city* 27,204
Clinton County – Plattsburgh city* 19,438
Columbia County – Kinderhook town 8,215
Cortland County – Cortland city* 18,713
Delaware County – Sidney town 5,367
Dutchess County – Poughkeepsie town 44,035
Erie County – Buffalo city* 256,304
Essex County – North Elba town 8,094
Franklin County – Malone town* 14,139
Fulton County – Gloversville city 14,832
Genesee County – Batavia city* 14,491
Greene County – Catskill town* 11,364
Hamilton County – Indian Lake town 1,245
Herkimer County – German Flatts town 12,547
Jefferson County – Watertown city 25,290
Lewis County – Lowville town* 4,840
Livingston County – Geneseo town* 10,691
Madison County – Sullivan town 15,149
Monroe County – Rochester city* 206,284
Montgomery County – Amsterdam city 17,864
Nassau County – Hempstead town 768,103
Niagara County – Niagara Falls city* 48,144
Oneida County – Utica city* 60,100
Onondaga County – Syracuse city* 142,749
Ontario County – Victor town 15,069
Orange County – Warwick town 31,185
Orleans County – Albion town* 8,138
Oswego County – Oswego city* 17,337
Otsego County – Oneonta city 13,918
Putnam County – Carmel town* 34,245
Rensselaer County – Troy city* 49,374
Rockland County – Ramapo town 136,848
Saratoga County – Clifton Park town 36,566
Schenectady County – Schenectady city* 65,575
Schoharie County – Cobleskill town 6,239
Schuyler County – Hector town 4,933
Seneca County – Seneca Falls town 8,680
St. Lawrence County – Potsdam town 15,322
Steuben County – Bath town 11,938
Suffolk County – Brookhaven town 482,436
Sullivan County – Thompson town 15,019
Tioga County – Owego town* 18,843
Tompkins County – Ithaca city* 30,999
Ulster County – Kingston city* 22,950
Warren County – Queensbury town* 27,471
Washington County – Kingsbury town 12,346
Wayne County – Arcadia town 13,564
Westchester County – Yonkers city 199,663
Wyoming County – Attica town 7,021
Yates County – Milo town 6,811

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