New Jersey is about 10 times bigger than Virgin Islands.

Virgin Islands is approximately 1,910 sq km, while New Jersey is approximately 19,211 sq km, making New Jersey 906% larger than Virgin Islands. Meanwhile, the population of Virgin Islands is ~105,413 people (8.7 million more people live in New Jersey).
Tip: This to-scale comparison of Virgin Islands vs. New Jersey uses the Mercator projection, which distorts the size of regions near the poles.