Highest Belgian population share, Massachusetts counties

Massachusetts counties ranked by the share of all residents who are Belgian ancestry (2024 American Community Survey). A concentration measure: Belgian residents as a percentage of total population. This list covers the 13 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 13 is 0.1%. Biggest climber in the top 100 since 2020: Suffolk County, MA, up 7 places to #2.