Highest Belgian population share, Washington counties

Washington 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 34 counties in Washington that qualify, ranked against each other statewide. The median across all 34 is 0.1%. Biggest climber in the top 100 since 2020: Lincoln County, WA, up 28 places to #2.