Largest Welsh population, Maine counties

Maine counties ranked by the number of residents who are Welsh 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 16 counties in Maine that qualify, ranked against each other statewide. The median across all 16 is 451. Biggest climber in the top 100 since 2020: Franklin County, ME, up 5 places to #11.