Largest Swedish population, Montana counties

Montana counties ranked by the number of residents who are Swedish 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 55 counties in Montana that qualify, ranked against each other statewide. The median across all 55 is 144. Biggest climber in the top 100 since 2020: Carbon County, MT, up 13 places to #11.