RANKING · 2020 CENSUS · 62 SHOWN OF 62

Largest Irish population, New York counties · 2020

New York counties ranked by the number of residents who are Irish ancestry, from the 2023 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

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2000

01Suffolk County, NYNY1,546,090261,068–

02Nassau County, NYNY1,398,939178,525–

03Erie County, NYNY946,741149,406–

04New York County, NYNY1,664,862113,165–

05Westchester County, NYNY1,015,743112,906–

06Monroe County, NYNY750,506104,879–

07Kings County, NYNY2,653,96396,320–

08Onondaga County, NYNY466,58491,020–

09Queens County, NYNY2,358,18285,995–

10Albany County, NYNY321,22562,649–

11Dutchess County, NYNY300,70855,750–

12Saratoga County, NYNY241,34354,259–

13Orange County, NYNY417,66953,589–

14Richmond County, NYNY501,29051,018–

15Rensselaer County, NYNY160,51040,205–

16Rockland County, NYNY357,39738,908–

17Ulster County, NYNY183,33036,397–

18Broome County, NYNY195,73635,428–

19Oneida County, NYNY226,39232,881–

20Niagara County, NYNY208,91232,584–

21Schenectady County, NYNY162,58127,259–

22Bronx County, NYNY1,406,33225,660–

23Oswego County, NYNY118,56923,658–

24Putnam County, NYNY99,02820,016–

25Ontario County, NYNY113,13018,823–

26Jefferson County, NYNY111,54017,671–

27Cayuga County, NYNY74,36516,889–

28Chautauqua County, NYNY124,12616,200–

29Steuben County, NYNY91,85515,822–

30St. Lawrence County, NYNY105,48815,612–

31Chemung County, NYNY80,41514,611–

32Wayne County, NYNY91,25014,026–

33Warren County, NYNY65,02013,949–

34Cattaraugus County, NYNY75,39013,911–

35Tompkins County, NYNY104,04712,658–

36Clinton County, NYNY78,13812,289–

37Sullivan County, NYNY80,58612,044–

38Madison County, NYNY67,12012,035–

39Livingston County, NYNY61,43811,914–

40Washington County, NYNY59,35311,524–

41Columbia County, NYNY60,16811,339–

42Herkimer County, NYNY59,21910,925–

43Otsego County, NYNY60,58910,886–

44Franklin County, NYNY46,5009,165–

45Genesee County, NYNY58,4168,752–

46Delaware County, NYNY44,3058,387–

47Tioga County, NYNY47,4538,073–

48Allegany County, NYNY46,8008,002–

49Chenango County, NYNY45,7157,556–

50Fulton County, NYNY52,2167,440–

51Greene County, NYNY47,2387,436–

52Essex County, NYNY36,4386,989–

53Cortland County, NYNY45,8506,845–

54Montgomery County, NYNY50,0466,832–

55Orleans County, NYNY39,8256,480–

56Wyoming County, NYNY39,7416,374–

57Seneca County, NYNY32,8835,745–

58Schoharie County, NYNY30,1765,725–

59Lewis County, NYNY26,4793,895–

60Yates County, NYNY24,5473,292–

61Schuyler County, NYNY16,9243,009–

62Hamilton County, NYNY5,006750–

SHOWING 1–62 OF 62

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