RANKING · 2010 CENSUS · 62 SHOWN OF 62

Most sparsely populated, New York counties · 2010

New York counties with the fewest residents per square mile (2023). This list covers the 62 counties in New York that qualify, ranked against each other statewide.

Flip the list · Most densely populated, US counties →

New YorkAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most densely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Hamilton County, NYNY5,0063−10%

02Lewis County, NYNY26,47921+1%

03Essex County, NYNY36,43822+1%

04Franklin County, NYNY46,50032+1%

05Delaware County, NYNY44,30533−0%

06St. Lawrence County, NYNY105,48842+0%

07Herkimer County, NYNY59,21946+0%

08Allegany County, NYNY46,80048−2%

09Schoharie County, NYNY30,17653+4%

10Schuyler County, NYNY16,92456−5%

11Chenango County, NYNY45,71556−2%

12Cattaraugus County, NYNY75,39061−4%

13Otsego County, NYNY60,58962+1%

14Wyoming County, NYNY39,74171−3%

15Steuben County, NYNY91,85571+0%

16Yates County, NYNY24,54775+3%

17Warren County, NYNY65,02076+4%

18Washington County, NYNY59,35376+4%

19Greene County, NYNY47,23876+2%

20Clinton County, NYNY78,13879+3%

21Sullivan County, NYNY80,58680+5%

22Jefferson County, NYNY111,54092+4%

23Tioga County, NYNY47,45399−1%

24Cortland County, NYNY45,85099+2%

25Columbia County, NYNY60,16899+0%

26Livingston County, NYNY61,438104+2%

27Seneca County, NYNY32,883109+6%

28Orleans County, NYNY39,825110−3%

29Fulton County, NYNY52,216112+1%

30Madison County, NYNY67,120112+6%

31Cayuga County, NYNY74,365116−2%

32Genesee County, NYNY58,416122−0%

33Montgomery County, NYNY50,046125+1%

34Chautauqua County, NYNY124,126127−3%

35Oswego County, NYNY118,569128−0%

36Wayne County, NYNY91,250155+0%

37Ulster County, NYNY183,330162+3%

38Ontario County, NYNY113,130168+8%

39Oneida County, NYNY226,392194−0%

40Tompkins County, NYNY104,047214+5%

41Chemung County, NYNY80,415218−2%

42Rensselaer County, NYNY160,510244+5%

43Saratoga County, NYNY241,343271+9%

44Broome County, NYNY195,736284+0%

45Dutchess County, NYNY300,708374+6%

46Niagara County, NYNY208,912414−2%

47Putnam County, NYNY99,028433+4%

48Orange County, NYNY417,669459+9%

49Albany County, NYNY321,225582+3%

50Onondaga County, NYNY466,584600+2%

51Schenectady County, NYNY162,581756+6%

52Erie County, NYNY946,741881−3%

53Monroe County, NYNY750,5061,133+1%

54Suffolk County, NYNY1,546,0901,639+5%

55Rockland County, NYNY357,3971,795+9%

56Westchester County, NYNY1,015,7432,203+3%

57Nassau County, NYNY1,398,9394,708+0%

58Richmond County, NYNY501,2908,149+6%

59Queens County, NYNY2,358,18220,517+0%

60Bronx County, NYNY1,406,33232,841+4%

61Kings County, NYNY2,653,96336,103+2%

62New York County, NYNY1,664,86269,992+3%

SHOWING 1–62 OF 62

Download CSV (full list, 62 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES