Idaho is about 2.8 times bigger than South Carolina.

South Carolina is approximately 77,983 sq km, while Idaho is approximately 214,314 sq km, making Idaho 175% larger than South Carolina. Meanwhile, the population of South Carolina is ~4.6 million people (3.1 million fewer people live in Idaho).
This to-scale comparison of South Carolina vs. Idaho uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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