Washington is about 1.4 times bigger than Mississippi.

Mississippi is approximately 121,489 sq km, while Washington is approximately 172,348 sq km, making Washington 42% larger than Mississippi. Meanwhile, the population of Mississippi is ~3.0 million people (3.8 million more people live in Washington).
This to-scale comparison of Mississippi vs. Washington uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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