City size comparison

compared to

Rome is about 34 times bigger than Jersey City.

Jersey City (map shows its 11 named neighbourhoods; the area covers the whole city) is approximately 38 sq km, while Rome is approximately 1,287 sq km, making Rome 3,270% larger than Jersey City.
Tip: This to-scale comparison of Jersey City vs. Rome uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rome vs. Jersey City

Flip Comparison · See true size
See Rome on top of Jersey City
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Cost of Living Comparison · 7 categories - 2026 data
Jersey City is 61.5% more expensive than Rome
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