State size comparison
compared to
California is about 20 times bigger than Massachusetts.
Massachusetts is approximately 20,306 sq km, while California is approximately 403,882 sq km, making California 1,889% larger than Massachusetts. Meanwhile, the population of Massachusetts is ~6.5 million people (30.7 million more people live in California).
Tip:
This to-scale comparison of
Massachusetts
vs.
California
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: California vs. Massachusetts
Flip Comparison · See true size
See California on top of Massachusetts
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Quality of Life Comparison · 13 statistics
Be 18.8% less likely to live below the poverty line in Massachusetts
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Cost of Living Comparison · 7 categories - 2026 data
Massachusetts is 2.4% cheaper than California
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Moving from California to Massachusetts · Cost, visas & climate
Compare cost of living, salary and climate.
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City Size Comparison · See true size
Compare the size of Sacramento vs Boston
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