Largest Swiss population, Oklahoma counties

Oklahoma counties ranked by the number of residents who are Swiss 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 64 counties in Oklahoma that qualify, ranked against each other statewide. The median across all 64 is 24. Biggest climber in the top 100 since 2020: Mayes County, OK, up 50 places to #12.