Highest Greek population share, South Dakota counties

South Dakota counties ranked by the share of all residents who are Greek ancestry (2024 American Community Survey). A concentration measure: Greek residents as a percentage of total population. This list covers the 23 counties in South Dakota that qualify, ranked against each other statewide. The median across all 23 is 0.1%. Biggest climber in the top 100 since 2020: Fall River County, SD, up 18 places to #1.