City size comparison

compared to

Houston is about 47 times bigger than Rockville.

Rockville (map shows its 87 named neighbourhoods; the area covers the whole city) is approximately 35 sq km, while Houston is approximately 1,659 sq km, making Houston 4,621% larger than Rockville.
Tip: This to-scale comparison of Rockville vs. Houston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Houston vs. Rockville

Flip Comparison · See true size
See Houston on top of Rockville
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Cost of Living Comparison · 7 categories - 2026 data
Rockville is 17.5% more expensive than Houston
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