Texas is about 1,101 times bigger than Saint Lucia.

Saint Lucia is approximately 616 sq km, while Texas is approximately 678,052 sq km, making Texas 109,973% larger than Saint Lucia. Meanwhile, the population of Saint Lucia is ~167,122 people (25.0 million more people live in Texas).
Tip: This to-scale comparison of Saint Lucia vs. Texas uses the Mercator projection, which distorts the size of regions near the poles.