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List of Counties in New York

A county is an administrative subdivision of a US state or territory. As of 2022, New York is divided into 62 counties. Excepting the five boroughs of New York City, New York counties are governed by NY County Law, and have governments run by either a Board of Supervisors, or a County Legislature, and either an elected County Executive or appointed county manager. 

Five of New York’s counties are each coextensive with New York City’s five boroughs. They are New York County (Manhattan), Kings County (Brooklyn), Bronx County (The Bronx), Richmond County (Staten Island), and Queens County (Queens).

Kings County with a population of 2.6 million is the most populous and Hamilton County is the least populated. The largest county by area is St. Lawrence County (2821 sq. mi.) and the smallest is New York County (33.77 sq. mi.)

read about the Population of New York State

New York Counties by Population

#CountyPopulation (2021)Area (sq. mi.)
1Kings County2,641,05296.9
2Queens County2,331,143178.28
3New York County1,576,87633.77
4Suffolk County1,526,3442,373
5Bronx County1,424,94857.43
6Nassau County1,390,907453
7Westchester County997,895500
8Erie County950,6831,227
9Monroe County755,1601,366
10Richmond County493,494102.5
11Onondaga County473,236806
12Orange County404,525839
13Rockland County339,227199
14Albany County313,743533
15Dutchess County297,112825
16Saratoga County237,359844
17Oneida County230,2741,213
18Niagara County211,6531,140
19Broome County197,240715
20Ulster County182,9511,161
21Rensselaer County160,232665
22Schenectady County158,089210
23Chautauqua County126,8071,500
24Oswego County117,3871,312
25Jefferson County116,2951,857
26Ontario County112,508662
27St. Lawrence County108,0512,821
28Tompkins County105,162476
29Putnam County97,936246
30Steuben County92,9481,404
31Wayne County90,9231,384
32Chemung County83,045410.81
33Sullivan County79,806997
34Clinton County79,5961,118
35Cattaraugus County76,4261,310
36Cayuga County75,880864
37Madison County67,658662
38Warren County65,618870
39Columbia County61,778648
40Livingston County61,578640
41Washington County60,956846
42Herkimer County59,9371,458
43Otsego County58,1231,003
44Genesee County57,853495
45Fulton County53,116533
46Montgomery County49,558410
47Greene County48,499658
48Tioga County47,980523
49Franklin County47,4561,697
50Chenango County46,537898.85
51Cortland County46,311502
52Allegany County46,1061,034
53Delaware County44,3781,468
54Wyoming County40,491596
55Orleans County40,191817
56Essex County37,2681,916
57Seneca County33,688325
58Schoharie County29,863626
59Lewis County26,5731,290
60Yates County24,613376
61Schuyler County17,752342
62Hamilton County5,1191,808

Source: US Census report 2021

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Top cities in New York (State) by population

New York City is also the most populated city in New York State. Nearly 43% of New York State’s population lives in  New York City. Next comes the City of Buffalo, with 278,349 residents followed by Yonkers (211,569)

Let’s have a look at the Top 10 Cities in New York State by population

#CityCountyPopulation 2020
1New York CityBronx, Kings, New York, Queens, and Richmond8,804,190
7New RochelleWestchester79,726
8Mount VernonWestchester73,893
11White PlainsWestchester59,559
13Niagara FallsNiagara48,671
15Long BeachNassau35,029
19North TonawandaNiagara30,496

Source: US Census 2020

also read about the Population of New York City

Most Populous Counties in New York

The most populous county in New York is  Kings County with 2.6 million residents.  It’s followed by Queens County (2.3 million) and New York County (1.5 million). All three are part of New York City and coexist with New York City boroughs.

Let’s have a look at the Top 10 most populous counties

#CountyPop. (2021)
1Kings County2,641,052
2Queens County2,331,143
3New York County1,576,876
4Suffolk County1,526,344
5Bronx County1,424,948
6Nassau County1,390,907
7Westchester County997,895
8Erie County950,683
9Monroe County755,160
10Richmond County493,494
Least Populated New York County

The least populous county is Hamilton County with 5,119 residents, it’s followed by Schuyler and Yates County.

Let’s have a look at 5 least populated counties in New York

#CountyPop. (2021)
1Hamilton County5,119
2Schuyler County17,752
3Yates County24,613
4Lewis County26,573
5Schoharie County29,863

source: US Census 2021

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Largest counties in New York by area

The Largest county by Land Area in New York is St. Lawrence County with an area of 2,821 sq. miles. Suffolk with an area of 2,373 sq. mi. comes next followed by Essex County (1916 sq. mi.)

Let’s have a look at the Top 10 counties by Area

#CountyArea (sq. mi.)
1St. Lawrence County2,821
2Suffolk County2,373
3Essex County1,916
4Jefferson County1,857
5Hamilton County1,808
6Franklin County1,697
7Chautauqua County1,500
8Delaware County1,468
9Herkimer County1,458
10Steuben County1,404
Smallest County in New York by area

The smallest county by area in New York state is New York County with an area of 33.77 square miles.

#CountyArea (sq. mi.)
1New York County33.77
2Bronx County57.43
3Kings County96.9
4Richmond County102.5
5Queens County178.28

source: US Census report 2021

Most densely populated Counties in New York

The most densely populated county in New York Staes is New York County, with 46694.58 people per sq. mi.  New York County is the smallest county by land area in the United States, as well as the most densely populated U.S. county. Next comes Kings County with 27255.44 people per sq. mi followed by Bronx County (24811.91/ sq.mi)

Let’s have a look at the Top 10 densely populated counties

#CountyDensity (Pop./mi2)
1New York County46694.58
2Kings County27255.44
3Bronx County24811.91
4Queens County13075.74
5Richmond County4814.58
6Nassau County3070.43
7Westchester County1995.79
8Rockland County1704.66
9Erie County774.8
10Schenectady County752.8
Least Populated County in New York
#CountyDensity (Pop./mi2)
1Hamilton County2.83
2Essex County19.45
3Lewis County20.6
4Franklin County27.96
5Delaware County30.23
List of Counties in New York 2024 | Top Cities in New York State