Wisconsin is about 228 times bigger than Saint Lucia.

Saint Lucia is approximately 616 sq km, while Wisconsin is approximately 140,663 sq km, making Wisconsin 22,735% larger than Saint Lucia. Meanwhile, the population of Saint Lucia is ~167,122 people (5.5 million more people live in Wisconsin).
Tip: This to-scale comparison of Saint Lucia vs. Wisconsin uses the Mercator projection, which distorts the size of regions near the poles.