RANKING · 2020 CENSUS · 62 SHOWN OF 62

Highest Irish population share, New York counties · 2020

New York counties ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 62 counties in New York that qualify, ranked against each other statewide. The median across all 62 is 16.7%.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Rensselaer County, NYNY160,51025.3%−2.1 pts

02Saratoga County, NYNY241,34323.7%−0.4 pts

03Cayuga County, NYNY74,36521.9%−2.4 pts

04Warren County, NYNY65,02021.7%−1.8 pts

05Albany County, NYNY321,22520.5%−3.5 pts

06Ulster County, NYNY183,33020.4%−0.7 pts

07Putnam County, NYNY99,02820.3%−7.4 pts

08Oswego County, NYNY118,56920.1%−2.8 pts

09Onondaga County, NYNY466,58419.7%−3.5 pts

10Dutchess County, NYNY300,70819.0%−4.9 pts

11Columbia County, NYNY60,16818.9%−0.6 pts

12Livingston County, NYNY61,43818.8%−4.1 pts

13Washington County, NYNY59,35318.8%−3.2 pts

14Delaware County, NYNY44,30518.8%−2.3 pts

15Essex County, NYNY36,43818.7%−3.5 pts

16Broome County, NYNY195,73618.4%−3.4 pts

17Schoharie County, NYNY30,17618.4%−4.1 pts

18Otsego County, NYNY60,58918.3%−0.6 pts

19Franklin County, NYNY46,50018.2%0.0 pts

20Cattaraugus County, NYNY75,39018.1%−1.9 pts

21Herkimer County, NYNY59,21917.7%−4.1 pts

22Suffolk County, NYNY1,546,09017.6%−5.3 pts

23Schenectady County, NYNY162,58117.6%+0.1 pts

24Chemung County, NYNY80,41517.4%−2.8 pts

25Allegany County, NYNY46,80017.3%−1.8 pts

26Ontario County, NYNY113,13017.1%−3.7 pts

27Madison County, NYNY67,12017.0%−2.0 pts

28Schuyler County, NYNY16,92416.9%−1.1 pts

29Hamilton County, NYNY5,00616.8%−5.9 pts

30Seneca County, NYNY32,88316.8%−1.7 pts

31Tioga County, NYNY47,45316.7%−1.1 pts

32Steuben County, NYNY91,85516.5%−3.6 pts

33Erie County, NYNY946,74116.3%−1.5 pts

34Sullivan County, NYNY80,58616.0%−3.6 pts

35Orleans County, NYNY39,82516.0%−1.6 pts

36Wyoming County, NYNY39,74115.9%0.0 pts

37Chenango County, NYNY45,71515.9%−0.8 pts

38Jefferson County, NYNY111,54015.9%−4.3 pts

39Greene County, NYNY47,23815.7%−2.7 pts

40Wayne County, NYNY91,25015.6%−0.7 pts

41Niagara County, NYNY208,91215.5%−2.8 pts

42Clinton County, NYNY78,13815.3%−1.1 pts

43Genesee County, NYNY58,41615.2%−3.8 pts

44Lewis County, NYNY26,47914.7%−2.1 pts

45St. Lawrence County, NYNY105,48814.4%−3.3 pts

46Cortland County, NYNY45,85014.4%−3.4 pts

47Oneida County, NYNY226,39214.4%−5.2 pts

48Monroe County, NYNY750,50614.1%−2.5 pts

49Orange County, NYNY417,66914.0%−6.2 pts

50Fulton County, NYNY52,21613.9%−4.3 pts

51Montgomery County, NYNY50,04613.9%−2.2 pts

52Yates County, NYNY24,54713.2%−7.8 pts

53Nassau County, NYNY1,398,93913.2%−3.7 pts

54Chautauqua County, NYNY124,12612.7%−2.2 pts

55Tompkins County, NYNY104,04712.4%−1.9 pts

56Rockland County, NYNY357,39712.0%−3.6 pts

57Westchester County, NYNY1,015,74311.7%−1.6 pts

58Richmond County, NYNY501,29010.7%−3.2 pts

59New York County, NYNY1,664,8626.9%−0.5 pts

60Queens County, NYNY2,358,1823.8%−1.0 pts

61Kings County, NYNY2,653,9633.7%+0.3 pts

62Bronx County, NYNY1,406,3321.8%−1.0 pts

SHOWING 1–62 OF 62

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS