RANKING · 2024 ACS · 33 SHOWN OF 33

Highest Scotch-Irish population share, New Mexico counties

New Mexico counties ranked by the share of all residents who are Scotch-Irish ancestry (2024 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 0.7%. Biggest climber in the top 100 since 2020: Quay County, NM, up 13 places to #7.

Scotch-Irish Americans: full group profile →

New MexicoAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010

01Catron County, NMNM3,8272.6%+0.3 pts

02▲4Union County, NMNM3,8442.0%+1.0 pts

03▼1Colfax County, NMNM12,1841.7%0.0 pts

04▲4Taos County, NMNM34,5641.5%+0.4 pts

05▲7Torrance County, NMNM16,1001.4%−1.7 pts

06▼1Harding County, NMNM6171.3%+0.3 pts

07▲13Quay County, NMNM8,4541.3%−1.5 pts

08▼4Santa Fe County, NMNM156,9071.2%−0.9 pts

09▲8De Baca County, NMNM1,6471.1%−1.6 pts

10▼7Los Alamos County, NMNM19,4071.1%−2.0 pts

11▼2Roosevelt County, NMNM18,6151.1%−1.1 pts

12▲1Sandoval County, NMNM159,5650.9%−1.2 pts

13▼3Otero County, NMNM70,3680.8%−1.6 pts

14▲2Bernalillo County, NMNM667,6010.8%−0.9 pts

15▼4Lincoln County, NMNM19,8440.8%−2.9 pts

16▲12Socorro County, NMNM15,8380.7%−0.7 pts

17▲2Valencia County, NMNM82,0130.7%−0.8 pts

18▼11Grant County, NMNM27,2520.7%−1.5 pts

19▼5Sierra County, NMNM11,3950.6%−1.5 pts

20▼2Luna County, NMNM25,4070.5%−1.5 pts

21▲1Eddy County, NMNM62,5090.5%−1.2 pts

22▼7Chaves County, NMNM63,3640.4%−1.5 pts

23▲4San Miguel County, NMNM26,2600.4%−0.6 pts

24▼1Doña Ana County, NMNM229,0910.4%−0.6 pts

25San Juan County, NMNM120,3400.4%−0.8 pts

26▼5Curry County, NMNM46,6550.4%−0.5 pts

27▼3Lea County, NMNM74,7490.3%−1.0 pts

28Cibola County, NMNM26,8070.3%−0.7 pts

29Mora County, NMNM4,0510.2%–

30Hidalgo County, NMNM3,9290.2%−0.1 pts

31▼5Rio Arriba County, NMNM39,8320.2%−0.8 pts

32Guadalupe County, NMNM4,3430.1%−0.4 pts

33▼4McKinley County, NMNM68,1190.1%−0.1 pts

SHOWING 1–33 OF 33

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES