Fort Lauderdale is about 213 times smaller than New Jersey.

New Jersey is approximately 19,211 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 0.47% the size of New Jersey.
Tip: This to-scale comparison of New Jersey vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.