Iceland is about 2.1 times smaller than Idaho.

Idaho is approximately 214,314 sq km, while Iceland is approximately 103,000 sq km, making Iceland 48.06% the size of Idaho. Meanwhile, the population of Idaho is ~2.0 million people (1.6 million fewer people live in Iceland).
Tip: This to-scale comparison of Idaho vs. Iceland uses the Mercator projection, which distorts the size of regions near the poles.
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