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.

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RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most population lost Most densely populated

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Hamilton County, NYNY5,0063–

02Essex County, NYNY36,43820–

03Lewis County, NYNY26,47921–

04Franklin County, NYNY46,50029–

05Delaware County, NYNY44,30531–

06St. Lawrence County, NYNY105,48839–

07Herkimer County, NYNY59,21942–

08Allegany County, NYNY46,80045–

09Schoharie County, NYNY30,17649–

10Chenango County, NYNY45,71551–

11Schuyler County, NYNY16,92452–

12Cattaraugus County, NYNY75,39058–

13Otsego County, NYNY60,58960–

14Steuben County, NYNY91,85566–

15Wyoming County, NYNY39,74167–

16Washington County, NYNY59,35371–

17Yates County, NYNY24,54773–

18Greene County, NYNY47,23873–

19Warren County, NYNY65,02075–

20Clinton County, NYNY78,13875–

21Sullivan County, NYNY80,58683–

22Jefferson County, NYNY111,54088–

23Tioga County, NYNY47,45391–

24Cortland County, NYNY45,85092–

25Columbia County, NYNY60,16895–

26Livingston County, NYNY61,43897–

27Seneca County, NYNY32,883102–

28Orleans County, NYNY39,825102–

29Madison County, NYNY67,120102–

30Fulton County, NYNY52,216105–

31Cayuga County, NYNY74,365108–

32Chautauqua County, NYNY124,126117–

33Genesee County, NYNY58,416118–

34Montgomery County, NYNY50,046124–

35Oswego County, NYNY118,569125–

36Wayne County, NYNY91,250151–

37Ulster County, NYNY183,330163–

38Ontario County, NYNY113,130176–

39Oneida County, NYNY226,392187–

40Chemung County, NYNY80,415197–

41Tompkins County, NYNY104,047219–

42Rensselaer County, NYNY160,510246–

43Broome County, NYNY195,736277–

44Saratoga County, NYNY241,343298–

45Dutchess County, NYNY300,708378–

46Niagara County, NYNY208,912400–

47Putnam County, NYNY99,028430–

48Orange County, NYNY417,669514–

49Onondaga County, NYNY466,584599–

50Albany County, NYNY321,225614–

51Schenectady County, NYNY162,581794–

52Erie County, NYNY946,741908–

53Monroe County, NYNY750,5061,142–

54Suffolk County, NYNY1,546,0901,697–

55Rockland County, NYNY357,3972,058–

56Westchester County, NYNY1,015,7432,358–

57Nassau County, NYNY1,398,9394,916–

58Richmond County, NYNY501,2908,715–

59Queens County, NYNY2,358,18221,690–

60Bronx County, NYNY1,406,33233,344–

61Kings County, NYNY2,653,96338,254–

62New York County, NYNY1,664,86273,478–

SHOWING 1–62 OF 62

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES