Jersey City is about 43 times smaller than Houston.

Houston is approximately 1,659 sq km, while Jersey City (map shows its 11 named neighbourhoods; the area covers the whole city) is approximately 38 sq km, making Jersey City 2.3% the size of Houston.
Tip: This to-scale comparison of Houston vs. Jersey City uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.