RANKING · 2025 ESTIMATES · 62 SHOWN OF 62

Most sparsely populated, New York counties

New York counties with the fewest residents per square mile (2025). This list covers the 62 counties in New York that qualify, ranked against each other statewide. The median across all 62 is 117.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Hamilton County, NYNY5,0063−7%

02▲1Essex County, NYNY36,43820−6%

03▼1Lewis County, NYNY26,47921−2%

04Franklin County, NYNY46,50029−9%

05Delaware County, NYNY44,30531−8%

06St. Lawrence County, NYNY105,48839−6%

07Herkimer County, NYNY59,21942−8%

08Allegany County, NYNY46,80045−6%

09Schoharie County, NYNY30,17649−4%

10Chenango County, NYNY45,71551−11%

11Schuyler County, NYNY16,92452−12%

12▲1Cattaraugus County, NYNY75,39058−10%

13▼1Otsego County, NYNY60,58960−2%

14Steuben County, NYNY91,85566−7%

15Wyoming County, NYNY39,74167−8%

16▲1Washington County, NYNY59,35371−3%

17▼1Yates County, NYNY24,547730%

18Greene County, NYNY47,23873−2%

19Warren County, NYNY65,02075+3%

20Clinton County, NYNY78,13875−2%

21Sullivan County, NYNY80,58683+9%

22Jefferson County, NYNY111,540880%

23Tioga County, NYNY47,45391−8%

24Cortland County, NYNY45,85092−6%

25Columbia County, NYNY60,16895−5%

26Livingston County, NYNY61,43897−4%

27▲2Seneca County, NYNY32,883102−1%

28▼1Orleans County, NYNY39,825102−10%

29▼1Madison County, NYNY67,120102−3%

30Fulton County, NYNY52,216105−5%

31Cayuga County, NYNY74,365108−9%

32▲1Chautauqua County, NYNY124,126117−11%

33▼1Genesee County, NYNY58,416118−3%

34Montgomery County, NYNY50,046124+1%

35Oswego County, NYNY118,569125−3%

36Wayne County, NYNY91,250151−3%

37Ulster County, NYNY183,330163+3%

38Ontario County, NYNY113,130176+13%

39Oneida County, NYNY226,392187−4%

40Chemung County, NYNY80,415197−12%

41Tompkins County, NYNY104,047219+8%

42Rensselaer County, NYNY160,510246+5%

43Broome County, NYNY195,736277−2%

44Saratoga County, NYNY241,343298+20%

45Dutchess County, NYNY300,708378+7%

46Niagara County, NYNY208,912400−5%

47Putnam County, NYNY99,028430+3%

48Orange County, NYNY417,669514+22%

49▲1Onondaga County, NYNY466,584599+2%

50▼1Albany County, NYNY321,225614+9%

51Schenectady County, NYNY162,581794+11%

52Erie County, NYNY946,7419080%

53Monroe County, NYNY750,5061,142+2%

54Suffolk County, NYNY1,546,0901,697+9%

55Rockland County, NYNY357,3972,058+25%

56Westchester County, NYNY1,015,7432,358+10%

57Nassau County, NYNY1,398,9394,916+5%

58Richmond County, NYNY501,2908,715+13%

59Queens County, NYNY2,358,18221,690+6%

60Bronx County, NYNY1,406,33233,344+6%

61Kings County, NYNY2,653,96338,254+8%

62New York County, NYNY1,664,86273,478+8%

SHOWING 1–62 OF 62

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES