Highest Guyanese population share, Massachusetts counties

Massachusetts counties ranked by the share of all residents who are Guyanese ancestry (2024 American Community Survey). A concentration measure: Guyanese residents as a percentage of total population. This list covers the 11 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 11 is 0.0%. Biggest climber in the top 100 since 2020: Norfolk County, MA, up 6 places to #5.