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

03▲2Vermont, VTVT647,10616.8%−1.1 pts

04Maine, MEME1,387,81716.5%−1.4 pts

05▼2Rhode Island, RIRI1,101,80116.1%−4.0 pts

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

07▲1Delaware, DEDE1,021,19114.8%−3.4 pts

08▼1Connecticut, CTCT3,624,50813.9%−3.5 pts

09Montana, MTMT1,116,87513.5%−2.6 pts

10▲1Iowa, IAIA3,210,50712.8%−2.6 pts

11▲2Ohio, OHOH11,810,29312.4%−2.1 pts

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

13▼3New 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

18▲4Colorado, COCO5,862,18911.2%−1.7 pts

19▲2Oregon, OROR4,254,29311.1%−1.9 pts

20▼2Kentucky, KYKY4,534,82411.0%−2.7 pts

21▼1Illinois, ILIL12,694,79810.6%−2.4 pts

22▼3New York, NYNY19,852,36610.5%−2.8 pts

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

24Indiana, ININ6,851,07310.1%−2.8 pts

25▲2South Dakota, SDSD907,4289.9%−1.2 pts

26▼1Michigan, MIMI10,077,7619.9%−2.0 pts

27▲2Minnesota, MNMN5,739,4459.9%−1.6 pts

28▼2Oklahoma, OKOK4,028,6349.9%−3.2 pts

29▼1Washington, WAWA7,816,1169.8%−2.5 pts

30▲1Alaska, AKAK735,7069.5%−2.8 pts

31▲3Idaho, IDID1,934,2629.5%−1.4 pts

32▲1Tennessee, TNTN7,066,3839.3%−2.0 pts

33▼3Maryland, MDMD6,206,0119.3%−2.9 pts

34▲1Virginia, VAVA8,705,1709.1%−1.7 pts

35▲2South Carolina, SCSC5,296,2259.1%−0.6 pts

36▼4Arkansas, ARAR3,049,3918.9%−4.3 pts

37▼1Arizona, AZAZ7,378,8388.9%−1.8 pts

38▲2North Carolina, NCNC10,730,4048.4%−1.1 pts

39▼1Florida, FLFL22,416,0778.2%−2.5 pts

40▲3District of Columbia, DCDC681,2948.1%+1.3 pts

41Alabama, ALAL5,086,7688.0%−2.5 pts

42▼3Nevada, NVNV3,184,6127.9%−2.4 pts

43▲2Mississippi, MSMS2,946,7797.4%−2.3 pts

44▼2North Dakota, NDND784,8417.2%−0.8 pts

45▼1Georgia, GAGA10,940,4076.9%−2.2 pts

46▲2New Mexico, NMNM2,120,2466.9%−0.6 pts

47▼1Louisiana, LALA4,611,9616.6%−1.5 pts

48▲2Utah, UTUT3,392,3316.1%−0.1 pts

49▼2Texas, TXTX30,188,4246.0%−1.9 pts

50▼1California, 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 2026-09-11 · 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).