City size comparison

compared to

Detroit is about 8 times bigger than Helena.

Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, while Detroit (map shows its 92 named neighbourhoods; the area covers the whole city) is approximately 359 sq km, making Detroit 708% larger than Helena.
Tip: This to-scale comparison of Helena vs. Detroit uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Detroit vs. Helena

Flip Comparison · See true size
See Detroit on top of Helena
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Cost of Living Comparison · 7 categories - 2026 data
Helena is 13.9% more expensive than Detroit
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