Saint Lucia is about 172 times smaller than Ohio.

Ohio is approximately 106,056 sq km, while Saint Lucia is approximately 616 sq km, making Saint Lucia 0.58% the size of Ohio. Meanwhile, the population of Ohio is ~11.5 million people (11.4 million fewer people live in Saint Lucia).
Tip: This to-scale comparison of Ohio vs. Saint Lucia uses the Mercator projection, which distorts the size of regions near the poles.