Largest Irish population, North Dakota counties

North Dakota 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 53 counties in North Dakota that qualify, ranked against each other statewide. The median across all 53 is 245. Biggest climber in the top 100 since 2020: Wells County, ND, up 14 places to #28.