Jersey is about 23 times smaller than Rhode Island.

Rhode Island is approximately 2,706 sq km, while Jersey is approximately 116 sq km, making Jersey 4.29% the size of Rhode Island. Meanwhile, the population of Rhode Island is ~1.1 million people (950,421 fewer people live in Jersey).
Tip: This to-scale comparison of Rhode Island vs. Jersey uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.