RANKING · 2024 ACS · 51 SHOWN OF 51

Highest Irish population share, US states

US states ranked by the share of all residents who are Irish ancestry (2024 American Community Survey). A concentration measure: Irish residents as a percentage of total population. New Hampshire leads at 20.6%. 51 states qualify in total. The top 25 average 13.0%, against an all-states median of 9.9%.

Irish Americans: full group profile →

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SAME RANKING BYCities Counties Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

USUnited States334,922,4999.4%–

01New Hampshire, NHNH1,394,86820.6%−1.7 pts

02Massachusetts, MAMA7,044,05618.6%−4.8 pts

03Vermont, VTVT647,10616.8%−1.1 pts

04Maine, MEME1,387,81716.5%−1.4 pts

05Rhode Island, RIRI1,101,80116.1%−4.0 pts

06Pennsylvania, PAPA13,018,63914.8%−3.0 pts

07Delaware, DEDE1,021,19114.8%−3.4 pts

08Connecticut, CTCT3,624,50813.9%−3.5 pts

09Montana, MTMT1,116,87513.5%−2.6 pts

10Iowa, IAIA3,210,50712.8%−2.6 pts

11Ohio, OHOH11,810,29312.4%−2.1 pts

12West Virginia, WVWV1,778,37312.3%−2.8 pts

13New Jersey, NJNJ9,343,80912.1%−3.6 pts

14Missouri, MOMO6,191,81411.8%−3.0 pts

15Nebraska, NENE1,978,70711.7%−3.0 pts

16Wyoming, WYWY582,39711.7%−2.9 pts

17Kansas, KSKS2,947,19711.3%−2.5 pts

18Colorado, COCO5,862,18911.2%−1.7 pts

19Oregon, OROR4,254,29311.1%−1.9 pts

20Kentucky, KYKY4,534,82411.0%−2.7 pts

21Illinois, ILIL12,694,79810.6%−2.4 pts

22New York, NYNY19,852,36610.5%−2.8 pts

23Wisconsin, WIWI5,914,87210.4%−1.4 pts

24Indiana, ININ6,851,07310.1%−2.8 pts

25South Dakota, SDSD907,4289.9%−1.2 pts

26Michigan, MIMI10,077,7619.9%−2.0 pts

27Minnesota, MNMN5,739,4459.9%−1.6 pts

28Oklahoma, OKOK4,028,6349.9%−3.2 pts

29Washington, WAWA7,816,1169.8%−2.5 pts

30Alaska, AKAK735,7069.5%−2.8 pts

31Idaho, IDID1,934,2629.5%−1.4 pts

32Tennessee, TNTN7,066,3839.3%−2.0 pts

33Maryland, MDMD6,206,0119.3%−2.9 pts

34Virginia, VAVA8,705,1709.1%−1.7 pts

35South Carolina, SCSC5,296,2259.1%−0.6 pts

36Arkansas, ARAR3,049,3918.9%−4.3 pts

37Arizona, AZAZ7,378,8388.9%−1.8 pts

38North Carolina, NCNC10,730,4048.4%−1.1 pts

39Florida, FLFL22,416,0778.2%−2.5 pts

40District of Columbia, DCDC681,2948.1%+1.3 pts

41Alabama, ALAL5,086,7688.0%−2.5 pts

42Nevada, NVNV3,184,6127.9%−2.4 pts

43Mississippi, MSMS2,946,7797.4%−2.3 pts

44North Dakota, NDND784,8417.2%−0.8 pts

45Georgia, GAGA10,940,4076.9%−2.2 pts

46New Mexico, NMNM2,120,2466.9%−0.6 pts

47Louisiana, LALA4,611,9616.6%−1.5 pts

48Utah, UTUT3,392,3316.1%−0.1 pts

49Texas, TXTX30,188,4246.0%−1.9 pts

50California, CACA39,287,3775.9%−1.6 pts

51Hawaii, HIHI1,445,2354.7%−0.2 pts

SHOWING 1–51 OF 51

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which state has the highest irish share?

New Hampshire ranks #1 with 20.6% (2024 American Community Survey).

What are the top 5 states by irish share?

New Hampshire, Massachusetts, Vermont, Maine, Rhode Island.

How many states are in this ranking?

51 states qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is irish share measured?

Share of all residents who are Irish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).