Saint Lucia vs United States: What the Numbers Mean

Saint Lucia has a population of 180,149 and is growing at 0.87% per year.United States has a population of 349,035,000 and is growing at 0.50% per year. The difference between them is 348,854,851 people, with United States in the lead.

Population is more than a headcount. Saint Lucia has a density of 292 people per km² across 616 km², while United States has a density of 37 people per km² across 9,372,610 km². These figures shape how each country manages housing, infrastructure, and resources. For how these numbers are computed, see our Methodology page.