State size comparison
compared to
Massachusetts is about 20 times smaller than California.
California is approximately 403,882 sq km, while Massachusetts is approximately 20,306 sq km, making Massachusetts 5.03% the size of California. Meanwhile, the population of California is ~37.3 million people (30.7 million fewer people live in Massachusetts).
Tip:
This to-scale comparison of
California
vs.
Massachusetts
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Massachusetts vs. California
Flip Comparison · See true size
See Massachusetts on top of California
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Quality of Life Comparison · 13 statistics
Be 23.2% more likely to live below the poverty line in California
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Cost of Living Comparison · 7 categories - 2026 data
California is 4.7% more expensive than Massachusetts
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Moving from Massachusetts to California · Cost, visas & climate
Compare cost of living, salary and climate.
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City Size Comparison · See true size
Compare the size of Boston vs Sacramento
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