Highest Swiss population share, South Dakota cities

South Dakota cities ranked by the share of all residents who are Swiss ancestry (2024 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 14 cities in South Dakota that qualify, ranked against each other statewide. The median across all 14 is 0.2%. Biggest climber in the top 100 since 2020: Watertown, SD, up 9 places to #8.