Washington Net International Migration By County in 2020

According to the US Census Bureau estimates, in 2020, the net international migration for Washington was 18,301. King County had the highest net international migration (11,943) followed by Snohomish County (1,806), and Pierce County (925). On the other hand, Asotin County had the lowest net international migration (-5), followed by Wahkiakum County (0), and Grays Harbor County (0).

Net International migration for a given county refers to the difference between the number of people moving to the county from other parts of the world outside the borders of the United States (50 states and District of Columbia) and the number of people moving out of the county to other parts of the world outside the borders of the United States.

You can also see similar information for other states and also for the US by state. You can also see links at the bottom of the page for the trend of the net international migration for each county in Washington.

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.