Largest Welsh population, Utah counties

Utah 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 29 counties in Utah that qualify, ranked against each other statewide. The median across all 29 is 256. Biggest climber in the top 100 since 2020: Wayne County, UT, up 10 places to #18.