Iowa is about 1,608 times bigger than Fort Lauderdale.

Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, while Iowa is approximately 144,701 sq km, making Iowa 160,679% larger than Fort Lauderdale.
Tip: This to-scale comparison of Fort Lauderdale vs. Iowa uses the Mercator projection, which distorts the size of regions near the poles.