RANKING · 2024 ACS · 62 SHOWN OF 62

Largest Irish population, New York counties

New York counties ranked by the number of residents who are Irish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 62 counties in New York that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Suffolk County, NYNY1,546,090247,260−27%

02Nassau County, NYNY1,398,939161,822−28%

03Erie County, NYNY946,741149,073−9%

04New York County, NYNY1,664,862115,392−2%

05Westchester County, NYNY1,015,743107,664−13%

06Monroe County, NYNY750,506107,104−13%

07Kings County, NYNY2,653,963105,150+24%

08Queens County, NYNY2,358,18284,576−20%

09Onondaga County, NYNY466,58483,576−23%

10Albany County, NYNY321,22559,987−18%

11Saratoga County, NYNY241,34353,845+3%

12Orange County, NYNY417,66953,549−29%

13Dutchess County, NYNY300,70851,958−27%

14Richmond County, NYNY501,29043,684−33%

15Rensselaer County, NYNY160,51037,946−13%

16Rockland County, NYNY357,39734,358−28%

17Oneida County, NYNY226,39233,992−26%

18Broome County, NYNY195,73633,927−23%

19Ulster County, NYNY183,33032,235−16%

20Niagara County, NYNY208,91231,251−21%

21Schenectady County, NYNY162,58125,184−6%

22Bronx County, NYNY1,406,33223,725−38%

23Oswego County, NYNY118,56921,309−24%

24Ontario County, NYNY113,13020,167−9%

25Jefferson County, NYNY111,54018,287−21%

26Putnam County, NYNY99,02817,290−37%

27Cayuga County, NYNY74,36516,391−16%

28St. Lawrence County, NYNY105,48815,872−20%

29Chautauqua County, NYNY124,12614,991−26%

30Steuben County, NYNY91,85514,860−25%

31Warren County, NYNY65,02013,847−11%

32Chemung County, NYNY80,41513,306−26%

33Tompkins County, NYNY104,04713,161−8%

34Wayne County, NYNY91,25012,874−16%

35Cattaraugus County, NYNY75,39012,333−24%

36Clinton County, NYNY78,13812,040−11%

37Washington County, NYNY59,35311,969−14%

38Madison County, NYNY67,12011,280−18%

39Herkimer County, NYNY59,21911,277−20%

40Sullivan County, NYNY80,58611,149−27%

41Livingston County, NYNY61,43810,545−30%

42Genesee County, NYNY58,41610,317−10%

43Columbia County, NYNY60,16810,281−17%

44Greene County, NYNY47,2389,243+1%

45Otsego County, NYNY60,5899,178−22%

46Tioga County, NYNY47,4538,350−9%

47Delaware County, NYNY44,3058,045−21%

48Fulton County, NYNY52,2167,741−24%

49Cortland County, NYNY45,8507,567−14%

50Chenango County, NYNY45,7157,253−15%

51Allegany County, NYNY46,8007,125−24%

52Franklin County, NYNY46,5007,075−25%

53Essex County, NYNY36,4387,021−20%

54Wyoming County, NYNY39,7416,347−6%

55Montgomery County, NYNY50,0465,771−28%

56Orleans County, NYNY39,8255,274−30%

57Seneca County, NYNY32,8835,242−19%

58Schoharie County, NYNY30,1765,182−30%

59Lewis County, NYNY26,4793,704−18%

60Schuyler County, NYNY16,9242,798−16%

61Yates County, NYNY24,5472,584−51%

62Hamilton County, NYNY5,0061,026−8%

SHOWING 1–62 OF 62

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES