RANKING · 2020 CENSUS · 51 SHOWN OF 51

Largest Scotch-Irish population, US states · 2020

US states ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Texas leads at 249,798. 51 states qualify in total. The top 25 average 99,318, against an all-states median of 32,957.

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SAME RANKING BYCities Counties Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010

USUnited States0.9% of US population331,449,2812,937,156–

01Texas, TXTX30,188,424249,798−38%

02North Carolina, NCNC10,730,404242,897−29%

03California, CACA39,287,377207,590−52%

04Florida, FLFL22,416,077161,840−44%

05Pennsylvania, PAPA13,018,639140,542−44%

06Tennessee, TNTN7,066,383140,265−30%

07Virginia, VAVA8,705,170122,569−39%

08Georgia, GAGA10,940,407117,791−36%

09South Carolina, SCSC5,296,225114,048−25%

10Ohio, OHOH11,810,293107,534−44%

11Washington, WAWA7,816,11684,650−48%

12Alabama, ALAL5,086,76870,047−38%

13Illinois, ILIL12,694,79869,649−51%

14Michigan, MIMI10,077,76169,227−56%

15New York, NYNY19,852,36667,664−59%

16Missouri, MOMO6,191,81466,127−43%

17Colorado, COCO5,862,18964,292−41%

18Kentucky, KYKY4,534,82460,155−33%

19Arizona, AZAZ7,378,83855,674−46%

20Indiana, ININ6,851,07353,213−44%

21Oregon, OROR4,254,29350,957−47%

22Massachusetts, MAMA7,044,05643,520−65%

23Mississippi, MSMS2,946,77942,127−37%

24Oklahoma, OKOK4,028,63440,409−41%

25Maryland, MDMD6,206,01140,362−51%

26Arkansas, ARAR3,049,39132,957−44%

27Louisiana, LALA4,611,96132,530−43%

28West Virginia, WVWV1,778,37332,436−38%

29New Jersey, NJNJ9,343,80931,731−62%

30Kansas, KSKS2,947,19729,839−48%

31Minnesota, MNMN5,739,44527,518−48%

32Utah, UTUT3,392,33126,440−26%

33Iowa, IAIA3,210,50723,671−49%

34Wisconsin, WIWI5,914,87223,629−51%

35Maine, MEME1,387,81720,261−59%

36Nevada, NVNV3,184,61218,756−49%

37Connecticut, CTCT3,624,50818,614−62%

38Idaho, IDID1,934,26216,784−45%

39New Hampshire, NHNH1,394,86816,088−53%

40New Mexico, NMNM2,120,24615,953−50%

41Montana, MTMT1,116,87515,598−39%

42Nebraska, NENE1,978,70714,782−48%

43Alaska, AKAK735,7069,509−42%

44Wyoming, WYWY582,3978,070−51%

45Vermont, VTVT647,1067,402−56%

46Delaware, DEDE1,021,1916,409−58%

47Hawaii, HIHI1,445,2356,226−50%

48Rhode Island, RIRI1,101,8015,243−66%

49South Dakota, SDSD907,4285,208−45%

50District of Columbia, DCDC681,2944,553−23%

51North Dakota, NDND784,8414,002−49%

SHOWING 1–51 OF 51

Download CSV (full list, 51 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which state has the highest scotch-irish population?

Texas ranks #1 with 249,798 (2020 Decennial Census).

What are the top 5 states by scotch-irish population?

Texas, North Carolina, California, Florida, Pennsylvania.

How many states are in this ranking?

51 states qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is scotch-irish population measured?

Number of residents who are Scotch-Irish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.