State size comparison

compared to

Idaho is about 11 times bigger than Massachusetts.

Massachusetts is approximately 20,306 sq km, while Idaho is approximately 214,314 sq km, making Idaho 955% larger than Massachusetts. Meanwhile, the population of Massachusetts is ~6.5 million people (5.0 million fewer people live in Idaho).
Tip: This to-scale comparison of Massachusetts vs. Idaho uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Idaho vs. Massachusetts
Flip Comparison · See true size
See Idaho on top of Massachusetts
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Cost of Living Comparison · 7 categories - 2026 data
Massachusetts is 25.6% more expensive than Idaho
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