Largest Finnish population, Oklahoma counties

Oklahoma counties ranked by the number of residents who are Finnish 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 46 counties in Oklahoma that qualify, ranked against each other statewide. The median across all 46 is 17. Biggest climber in the top 100 since 2020: Custer County, OK, up 28 places to #13.