Washington Population By County in 2019

Based on the US Census Vintage data estimates, in 2019, the population of Washington was 7,614,024. Among all Washington counties, King[object Promise] had the highest population (2,249,653), followed by Pierce[object Promise] (905,719), and Snohomish[object Promise] (822,413). Garfield[object Promise] was the least populated county (2,266).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.