List Of New York Counties

There are sixty-two Counties in the State of New York . Five of these are Borough s of New York City and do not have functioning county Government s.

LIST OF NEW YORK COUNTIES

COUNTY SUMMARY

The largest county in New York based on area is St. Lawrence County , and the smallest is New York County . The largest county based on population is Kings County , and the smallest is Hamilton County . The county with the largest population density is New York County (52,419 people/square mile), and the county with the smallest population density is Hamilton County (3 people/square mile).

The easternmost county is Suffolk County and the westernmost is Chautauqua County . The northernmost county is St. Lawrence County and the southernmost is Richmond County . The newest county is Bronx County (formed in 1914).

DEFUNCT COUNTIES

#, 1772 , but renamed and partitioned. See Washington County, New York .
#, 1665 from 25,100 Square Miles of un-organized land to cover the Duke of York's land grant in present day Maine . On October 7 , 1673 , 24,900 Square Miles were lost to Devonshire, Massachusetts because of a boundary dispute. The remainder of the land was lost in the Autumn of 1675 to the Abnaki indians as a result of a war. The original grant was recreated on November 1 , 1683 , for the same reasons. The entire grant was transferred to Massachusetts because of the expansion of the Dominion Of New England in the Spring of 1687 . The entire grant covers what today are Aroostook, Piscataquis, Penobscot, Hancock, Washington, Waldo, Knox, Lincoln, Kennebec, and Somerset counties.
#, 1766 from 1,910 Square Miles of Albany County land. Cumberland was disestablished on June 26 , 1767 , with the land returned to Albany County. Cumberland County was reinstated on March 19 , 1768 , this time with 2,050 Square Miles of land from Albany County. An additional 210 Square Miles of land - this time from partitioned from Albany and Charlotte Counties, with some of it passed on to Gloucester County. On April 1, 1775, 10 Square Miles of land was exchanged between Cumberland, Albany and Charlotte counties. On January 15 , 1777 , Cumberland County was extinguished due to the partitioning of Vermont from New York and New Hampshire . The Cumberland lands produced Windham, Bennington, Rutland, Windsor, and parts of Addison and Orange counties in Vermont . On March 7 , 1788 , New York attempted to adjust the border between itself and Vermont at the location where Cumberland County had previously existed, but to no effect.
#, 1683 as one of the original 12 counties. Created to cover the 1674 grant of the Martha's Vinyard , Elizabeth Islands , and Nantucket islands to the Duke of York. Transferred to Massachusetts on October 7 , 1691 , where it was divided into Dukes County, Massachusetts , which consists of Martha's Vinyard and the Elizabeth Islands, and Nantucket County, Massachusetts .
#, 1770 from 1,540 Square Miles of land from Albany County. 3,390 Square Miles of additional land was transferred from Cumberland County , with some of the original transfer returned to Charlotte on March 24 , 1772 . Gloucester County, New York became all or most of Orange, Essex, Caledonia, Orleans, Lamoile and Washington Counties in Vermont on January 15 , 1777 .
#, 1772 from indefinite amounts of land to the west of Albany County and renamed Montgomery County on April 2 , 1784 . On January 27 , 1789 , a western border was established as a result of the partitioning of the counto to create Ontario County. This resulted in Montgomery County having a total of 21,400 Square Miles within its borders. On February 16 , 1892 , Montgomery County was again partitioned, this time to create Herkimer, Otsego and Tioga counties. This reduced Montgomery to 1,080 Square Miles of land. As a result of an adjustment to the Montgomery-Herkimer border due to improved cartography, 3,730 Square miles of land passed from Herkimer to Montgomery, resulting in Montgomery having a total of 4,810 Square Miles of land on March 31 , 1797 . On April 3 , 1801 , Montgomery was partitioned again, this time with 1,870 Square Miles of land passing to Clinton, Essex, Saratoga, and Washington Counties, resulting in Montgomery only having 2,940 Square Miles of land. On April 12 , 1816 , Montgomery was again partitioned for the creation of Hamilton County, producing a Montgomery County of only 1,110 Square Miles of land. However, since Hamilton County was not properly organized, it remained a dependency of Montgomery County. On May 2 , 1817 , Montgomery County was again partitioned, this time passing 150 Square Miles of land to Herkimer County. On January 1 , 1838 , Hamilton County was finally organized sufficient to govern itself, and so it was detached from Montgomery. The final partition of Montgomery County took place on April 18 , 1838 , with 560 Square Miles of land going for the creation of Fulton County. This resulted in a Montgomery County of 400 Square Miles of land.
# Yorkshire County : original English county, partitioned in 1683 into Kings, Queens (including modern Nassau), Suffolk, Richmond and Westchester (including modern Bronx) counties.

PROPOSED NEW COUNTIES

Adirondack County : to be formed out of part of Essex and Franklin Counties.

Peconic County : to be formed out of part of Suffolk County.

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List Of New York Counties