Highest Japanese population share, South Dakota counties

South Dakota counties ranked by the share of all residents who are Japanese (2024 American Community Survey). A concentration measure: Japanese residents as a percentage of total population. This list covers the 13 counties in South Dakota that qualify, ranked against each other statewide. The median across all 13 is 0.1%. Biggest climber in the top 100 since 2020: Brookings County, SD, up 5 places to #5.