Largest Irish population, Mississippi counties

Mississippi 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 82 counties in Mississippi that qualify, ranked against each other statewide. The median across all 82 is 1,342. Biggest climber in the top 100 since 2020: Chickasaw County, MS, up 25 places to #40.