Highest Japanese population share, Washington counties

Washington counties ranked by the share of all residents who are Japanese (2024 American Community Survey). A concentration measure: Japanese residents as a percentage of total population. This list covers the 35 counties in Washington that qualify, ranked against each other statewide. The median across all 35 is 0.1%. Biggest climber in the top 100 since 2020: Jefferson County, WA, up 13 places to #5.