Largest Welsh population, Oregon counties

Oregon 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 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is 374. Biggest climber in the top 100 since 2020: Baker County, OR, up 10 places to #20.