State size comparison

compared to

Montana is about 1.4 times bigger than Colorado.

Colorado is approximately 268,627 sq km, while Montana is approximately 376,979 sq km, making Montana 40% larger than Colorado. Meanwhile, the population of Colorado is ~5.0 million people (4.0 million fewer people live in Montana).
Tip: This to-scale comparison of Colorado vs. Montana uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Montana vs. Colorado

Flip Comparison · See true size
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Quality of Life Comparison · 15 statistics
Make 41.0% more money in Colorado
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Cost of Living Comparison · 7 categories - 2026 data
Colorado is 7.2% more expensive than Montana
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