1850 Counties of  New York

County Description Area in sq miles Courts held at Pop in 1850
Albany west side of Hudson river, Mohawk on the NE 462 Albany 93,279
Alleghany south west part, crossed by Alleghany river 1,120 Angelica 37,812
Broome south boundary, crossed by Susquehanna river 860 Binghamton 30,660
Cattaraugus south boundary 1232 Ellicottville 38,950
Cayuga western part, Cayuga lake on west, Skaneateles lake on east and Lake Ontario on north, water by Seneca river, Owasco lake & Erie canal 648 Auburn 55,460
Chautauque southwest corner, Lake Erie on NW, contains Chautauque lake 1017 Mayville 50,493
Chemung south boundary, water by Chemung river, Cayuta & Newtown creeks, Seneca lake inlet & Chemung canal 530 Elmira 28,795
Clinton northeastern part, west side of Lake Champlain 932 Plattsburgh 40,048
Columbia east boundary, with Hudson river on the west 624 Hudson 43,092
Cortland southwest of central part, crossed by Toughnioga river 500 Cortland 25,140
Delaware southeast part, Delaware river on southwest 460 Delhi 39,825
Dutchess eastern boundary, Hudson river on west 340 Poughkeepsie 58,992
Erie western boundary, Lake Erie & Niagara river on west 876 Buffalo 100,993
Essex northeastern part, west side on Lake Champlain 1779 Elizabethtown 30,993
Franklin northern boundary 1527 Malone 25,102
Fulton eastern part 500 Johnston 20,171
Genesee western part, crossed by Erie canal 473 Batavia 28,490
Greene southeast part, on west side of Hudson river 583 Catskill 33,126
Hamilton northeastern part 1064 Lake Pleasant 2,188
Herkimer central part, crossed by Mohawk river & Erie canal 1370 Herkimer 38,244
Jefferson northern part, Lake Ontario on west, St Lawrence river on northwest 1125 Watertown 68,153
King's southeast part, at west end of Long Island 76 Brooklyn 218,881
Lewis north part 1122 Martinsburgh 24,464
Livingston toward western part, crossed by Genesee river 509 Genesee 40,875
Madison central part 582 Morrisville 43,073
Monroe north boundary on Lake Ontario, crossed by Genesee river 607 Rochester 87,649
Montgomery toward the east part, crossed by Mohawk river & Erie canal 356 Fonda 31,992
New York southeast part between Hudson & East rivers, includes Manhattan, Blackwell's, Ward's & Randall's islands 20 New York City 515,507
Niagara northwest corner, Lake Ontario on north, Niagara river on west & Tonawanda creek of south 660 Lockport 42,260
Oneida in central part, Oneida lake on southwest, crossed by Mohawk river & Erie canal 1101 Rome, Utica & Whittlesborough 99,568
Onondaga central part, Oneida lake on northeast, Skeneateles lake on southwest, crossed by Oswego river & Erie canal. contains salt springs of New York, yield annual revenue of $171,000 711 Syracuse 85,891
Ontario west part, Seneca lake on east, Canandaigua like in the south 617 Canandaigua 43,925
Orange southeast part, Hudson river on east, crossed by Delaware & Hudson canal 760 Goshen & Newburgh 57,145
Orleans northern boundary, Lake Ontario on north, crossed by the Erie canal 372 Albion 28,501
Oswego northwest boundary, Lake Ontario on northwest, Oneida lake on south, crossed by Oswego river 923 Oswego & Pulaski 62,198
Otsego central part, Otsego & Canaderaga lakes in the north 892 Cooperstown 48,639
Putnam east boundary, Hudson river on west 216 Carmel 14,138
Queen's southeast part, on Long Island, Atlantic ocean on south, Long Island sound on north, East river on northwest 396 North Hempstead 36,853
Rensselaer east boundary, Hudson river on west 626 Troy 73,361
Richmond southeast part, consisting of Staten Island 63 Richmond 15,161
Rockland southeastern part, Hudson river its eastern boundary 172 Clarkstown 16,962
St Lawrence on northwest boundary, St Lawrence river on northwest 2717 Canton 68,617
Schenectady east part, crossed by Mohawk river & Erie Canal 200 Schenectady 20,054
Schoharie eastern part 621 Schoharie 33,548
Seneca toward west part, Cayuga lake on east, Seneca lake on west 380 Ovid & Waterloo 25,441
Steuben on south boundary, Crooked lake in northeast 1400 Bath 63,771
Suffolk southeast part, occupying the eastern part of Long Island, Atlantic ocean on south, Long Island sound on north 640 Riverhead 36,922
Sullivan on south western boundary, Delaware river on southwest 919 Monticello 25,088
Tioga on south boundary, crossed by Susquehanna river 490 Owego 24,880
Tomkins in south part, Cayuga & Seneca lakes at northwest 580 Ithaca 38,748
Ulster in southeast part, Hudson river on east 1096 Kingston 58,936
Warren in east part, Lake George on east, Schroon lake on north, crossed by Hudson river 912 Caldwell 12,425
Washington on east boundary, Hudson river on west, Lake George on northwest 807 Salem & Sandy Hill 44,750
Wayne on northern boundary, Lake Ontario on north 572 Lyons 44,953
Westchester southeast part, Long Island sound on southeast, Hudson river on west 470 White Plains & Bedford 57,263
Wyoming in west part 500 Warsaw 31,981
Yates toward western part, Seneca lake on east, Crooked lake on south 320 Penn Yan 20,599

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