Largest Irish population, New Mexico counties

New Mexico counties 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. This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 1,577. Biggest climber in the top 100 since 2020: Rio Arriba County, NM, up 8 places to #18.