RANKING · 2024 ACS · 51 SHOWN OF 51

Largest Irish population, US states

US states ranked by the number of residents who are Irish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. California leads at 2,301,721. 51 states qualify in total. The top 25 average 1,042,034, against an all-states median of 471,259.

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SAME RANKING BYCities Counties Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

USUnited States9.4% of US population334,922,49931,613,628–

01California, CACA39,287,3772,301,721−16%

02New York, NYNY19,852,3662,087,330−19%

03Pennsylvania, PAPA13,018,6391,928,283−14%

04Florida, FLFL22,416,0771,838,284−7%

05Texas, TXTX30,188,4241,801,243−6%

06Ohio, OHOH11,810,2931,459,020−12%

07Illinois, ILIL12,694,7981,342,703−19%

08Massachusetts, MAMA7,044,0561,310,139−14%

09New Jersey, NJNJ9,343,8091,130,177−18%

10Michigan, MIMI10,077,761999,747−16%

11North Carolina, NCNC10,730,404903,955+3%

12Virginia, VAVA8,705,170793,505−6%

13Washington, WAWA7,816,116765,987−5%

14Georgia, GAGA10,940,407756,390−12%

15Missouri, MOMO6,191,814727,902−17%

16Indiana, ININ6,851,073690,715−17%

17Tennessee, TNTN7,066,383660,169−6%

18Arizona, AZAZ7,378,838657,986−1%

19Colorado, COCO5,862,189656,941+4%

20Wisconsin, WIWI5,914,872613,046−7%

21Maryland, MDMD6,206,011577,895−17%

22Minnesota, MNMN5,739,445566,539−6%

23Connecticut, CTCT3,624,508503,149−18%

24Kentucky, KYKY4,534,824497,366−15%

25South Carolina, SCSC5,296,225480,662+10%

26Oregon, OROR4,254,293471,259−3%

27Iowa, IAIA3,210,507411,367−12%

28Alabama, ALAL5,086,768404,879−18%

29Oklahoma, OKOK4,028,634397,216−17%

30Kansas, KSKS2,947,197332,347−14%

31Louisiana, LALA4,611,961302,335−16%

32New Hampshire, NHNH1,394,868286,760−2%

33Arkansas, ARAR3,049,391272,301−29%

34Nevada, NVNV3,184,612252,069−7%

35Nebraska, NENE1,978,707231,984−12%

36Maine, MEME1,387,817229,186−4%

37Mississippi, MSMS2,946,779218,954−23%

38West Virginia, WVWV1,778,373218,888−21%

39Utah, UTUT3,392,331207,208+26%

40Idaho, IDID1,934,262183,185+11%

41Rhode Island, RIRI1,101,801176,962−16%

42Delaware, DEDE1,021,191151,161−6%

43Montana, MTMT1,116,875150,953−4%

44New Mexico, NMNM2,120,246146,507−4%

45Vermont, VTVT647,106108,493−3%

46South Dakota, SDSD907,42890,144+1%

47Alaska, AKAK735,70670,110−18%

48Hawaii, HIHI1,445,23568,302+3%

49Wyoming, WYWY582,39768,046−15%

50North Dakota, NDND784,84156,859+6%

51District of Columbia, DCDC681,29455,299+40%

SHOWING 1–51 OF 51

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which state has the highest irish population?

California ranks #1 with 2,301,721 (2024 American Community Survey).

What are the top 5 states by irish population?

California, New York, Pennsylvania, Florida, Texas.

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 population measured?

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