State size comparison
Missouri is around the same size as Washington.
Washington is approximately 172,348 sq km, while Missouri is approximately 178,414 sq km, making Missouri 4% larger than Washington. Meanwhile, the population of Washington is ~6.7 million people (735,613 fewer people live in Missouri).
This to-scale comparison of Washington vs. Missouri uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.