New York Land area in square miles, 2010 by County

Data Item State
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Land area in square miles, 2010 - (Square Miles)
County Value
Albany 522.80
Allegany 1,029.31
Bronx 42.10
Broome 705.77
Cattaraugus 1,308.35
Cayuga 691.58
Chautauqua 1,060.23
Chemung 407.35
Chenango 893.55
Clinton 1,037.85
Columbia 634.71
Cortland 498.76
Delaware 1,442.44
Dutchess 795.63
Erie 1,042.69
Essex 1,794.23
Franklin 1,629.12
Fulton 495.47
Genesee 492.94
Greene 647.16
Hamilton 1,717.37
Herkimer 1,411.47
Jefferson 1,268.59
Kings 70.82
Lewis 1,274.68
Livingston 631.76
Madison 654.84
Monroe 657.21
Montgomery 403.04
Nassau 284.72
New York 22.83
Niagara 522.36
Oneida 1,212.43
Onondaga 778.39
Ontario 644.07
Orange 811.69
Orleans 391.26
Oswego 951.65
Otsego 1,001.70
Putnam 230.31
Queens 108.53
Rensselaer 652.43
Richmond 58.37
Rockland 173.55
Saratoga 809.98
Schenectady 204.52
Schoharie 621.82
Schuyler 328.33
Seneca 323.71
St. Lawrence 2,680.38
Steuben 1,390.56
Suffolk 912.05
Sullivan 968.13
Tioga 518.60
Tompkins 474.65
Ulster 1,124.24
Warren 866.95
Washington 831.18
Wayne 603.83
Westchester 430.50
Wyoming 592.75
Yates 338.14

Value for New York (Square Miles): 47,126.40

Source: U.S. Census Bureau, data file from Geography Division based on the TIGER/Geographic Identification Code Scheme (TIGER/GICS) computer file. Land area updated every 10 years. or

Source: U.S. Census Bureau, Census of Population and Housing. Land area is based on current information in the TIGER® data base, calculated for use with Census 2010.


Land area is the size, in square units (metric and nonmetric) of all areas designated as land in the Census Bureau's national geographic (TIGER®) database.

Persons per square mile is the average number of inhabitants per square mile of land area. These figures are derived by dividing the total number of residents by the number of square miles of land area in the specified geographic area. The land area measurement is from the Census 2010. To determine population per square kilometer, multiply the population per square mile by .3861.

Scope and Methodology:

TIGER is an acronym for the digital (computer-readable) geographic database that automates the mapping and related geographic activities required to support the Census Bureau's census and survey programs. The Census Bureau developed the Topologically Integrated Geographic Encoding and Referencing (TIGER) System to automate the geographic support processes needed to meet the major geographic needs of the 1990 census. Land area was calculated from the specific set of boundaries recorded for the entity (in this case, counties, which were then aggregated to metropolitan totals) in the Census Bureau's geographic database.

Land area measurements are originally recorded as whole square meters (to convert square meters to square kilometers, divide by 1,000,000; to convert square kilometers to square miles, divide by 2.58999; to convert square meters to square miles, divide by 2,589,988).

Land area measurements may disagree with the information displayed on U.S. Census Bureau maps and in the TIGER® database because, for area measurement purposes, features identified as "intermittent water" and "glacier" are reported as land area.

The accuracy of any area measurement data is limited by the accuracy inherent in (1) the location and shape of the various boundary information in the TIGER® database and (2) rounding affecting the last digit in all operations that compute and/or sum the area measurements. Identification of land is for statistical purposes and does not necessarily reflect legal definitions.

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