Highest South American population share, Massachusetts counties

Massachusetts counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 1.3%. Biggest climber in the top 100 since 2020: Berkshire County, MA, up 7 places to #6.