State size comparison
compared to
Idaho is about 1.9 times smaller than California.
California is approximately 403,882 sq km, while Idaho is approximately 214,314 sq km, making Idaho 53.06% the size of California. Meanwhile, the population of California is ~37.3 million people (35.7 million fewer people live in Idaho).
Tip:
This to-scale comparison of
California
vs.
Idaho
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Idaho vs. California
Flip Comparison · See true size
See Idaho on top of California
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Quality of Life Comparison · 18 statistics
Make 71.3% more money in California
→
Cost of Living Comparison · 7 categories - 2026 data
California is 28.6% more expensive than Idaho
→
City Size Comparison · See true size
Compare the size of New York City vs Los Angeles
→