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 (2023 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%.

All statesAll rankings

SAME RANKING BYCities Counties Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2000

01New Hampshire, NHNH1,394,86820.6%–

02Massachusetts, MAMA7,044,05618.6%–

03Vermont, VTVT647,10616.8%–

04Maine, MEME1,387,81716.5%–

05Rhode Island, RIRI1,101,80116.1%–

06Pennsylvania, PAPA13,018,63914.8%–

07Delaware, DEDE1,021,19114.8%–

08Connecticut, CTCT3,624,50813.9%–

09Montana, MTMT1,116,87513.5%–

10Iowa, IAIA3,210,50712.8%–

11Ohio, OHOH11,810,29312.4%–

12West Virginia, WVWV1,778,37312.3%–

13New Jersey, NJNJ9,343,80912.1%–

14Missouri, MOMO6,191,81411.8%–

15Nebraska, NENE1,978,70711.7%–

16Wyoming, WYWY582,39711.7%–

17Kansas, KSKS2,947,19711.3%–

18Colorado, COCO5,862,18911.2%–

19Oregon, OROR4,254,29311.1%–

20Kentucky, KYKY4,534,82411.0%–

21Illinois, ILIL12,694,79810.6%–

22New York, NYNY19,852,36610.5%–

23Wisconsin, WIWI5,914,87210.4%–

24Indiana, ININ6,851,07310.1%–

25South Dakota, SDSD907,4289.9%–

26Michigan, MIMI10,077,7619.9%–

27Minnesota, MNMN5,739,4459.9%–

28Oklahoma, OKOK4,028,6349.9%–

29Washington, WAWA7,816,1169.8%–

30Alaska, AKAK735,7069.5%–

31Idaho, IDID1,934,2629.5%–

32Tennessee, TNTN7,066,3839.3%–

33Maryland, MDMD6,206,0119.3%–

34Virginia, VAVA8,705,1709.1%–

35South Carolina, SCSC5,296,2259.1%–

36Arkansas, ARAR3,049,3918.9%–

37Arizona, AZAZ7,378,8388.9%–

38North Carolina, NCNC10,730,4048.4%–

39Florida, FLFL22,416,0778.2%–

40District of Columbia, DCDC681,2948.1%–

41Alabama, ALAL5,086,7688.0%–

42Nevada, NVNV3,184,6127.9%–

43Mississippi, MSMS2,946,7797.4%–

44North Dakota, NDND784,8417.2%–

45Georgia, GAGA10,940,4076.9%–

46New Mexico, NMNM2,120,2466.9%–

47Louisiana, LALA4,611,9616.6%–

48Utah, UTUT3,392,3316.1%–

49Texas, TXTX30,188,4246.0%–

50California, CACA39,287,3775.9%–

51Hawaii, HIHI1,445,2354.7%–

SHOWING 1–51 OF 51

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UPDATED 2026-06-06 · 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).