State size comparison
compared to
Oklahoma is around the same size as Washington.
Washington is approximately 172,348 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 3% larger than Washington. Meanwhile, the population of Washington is ~6.7 million people (3.0 million fewer people live in Oklahoma).
Tip:
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Washington
vs.
Oklahoma
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Compare further: Oklahoma vs. Washington
Flip Comparison · See true size
See Oklahoma on top of Washington
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Quality of Life Comparison · 20 statistics
Make 72.1% more money in Washington
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Cost of Living Comparison · 7 categories - 2026 data
Washington is 16.7% more expensive than Oklahoma
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Moving from Oklahoma to Washington · Cost, visas & climate
Compare cost of living, salary and climate.
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