RANKING · 2020 CENSUS · 30 SHOWN OF 30

Highest Scotch-Irish population share, New Mexico counties · 2020

New Mexico counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 30 counties in New Mexico that qualify, ranked against each other statewide.

New MexicoAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2000

01Catron County, NMNM3,8273.3%–

02Colfax County, NMNM12,1842.5%–

03Los Alamos County, NMNM19,4071.5%–

04Santa Fe County, NMNM156,9071.2%–

05Harding County, NMNM6171.2%–

06Union County, NMNM3,8441.1%–

07Grant County, NMNM27,2521.1%–

08Taos County, NMNM34,5641.1%–

09Roosevelt County, NMNM18,6151.1%–

10Otero County, NMNM70,3681.0%–

11Lincoln County, NMNM19,8441.0%–

12Torrance County, NMNM16,1001.0%–

13Sandoval County, NMNM159,5651.0%–

14Sierra County, NMNM11,3951.0%–

15Chaves County, NMNM63,3640.9%–

16Bernalillo County, NMNM667,6010.9%–

17De Baca County, NMNM1,6470.8%–

18Luna County, NMNM25,4070.8%–

19Valencia County, NMNM82,0130.7%–

20Quay County, NMNM8,4540.7%–

21Curry County, NMNM46,6550.6%–

22Eddy County, NMNM62,5090.5%–

23Doña Ana County, NMNM229,0910.5%–

24Lea County, NMNM74,7490.4%–

25San Juan County, NMNM120,3400.3%–

26Rio Arriba County, NMNM39,8320.2%–

27San Miguel County, NMNM26,2600.1%–

28Socorro County, NMNM15,8380.1%–

29McKinley County, NMNM68,1190.1%–

30Hidalgo County, NMNM3,9290.0%–

SHOWING 1–30 OF 30

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES