State size comparison
compared to
Arizona is about 1.3 times smaller than Montana.
Montana is approximately 376,979 sq km, while Arizona is approximately 294,312 sq km, making Arizona 78.07% the size of Montana. Meanwhile, the population of Montana is ~1.1 million people (6.5 million more people live in Arizona).
Compare further: Arizona vs. Montana
Flip Comparison · See true size
See Arizona on top of Montana
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Cost of Living Comparison · 7 categories - 2026 data
Montana is 2.5% cheaper than Arizona
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Moving from Arizona to Montana · Cost, visas & climate
Compare cost of living, salary and climate.
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City Size Comparison · See true size
Compare the size of Phoenix vs Helena
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