Rhode Island (USA) is 3.6 times larger than Dominica.
Area: 751 km2 World Factbook
Population: 73,449 (July 2014) World Factbook
Dominica, officially the Commonwealth of Dominica, is an island nation in the Lesser Antilles region of the Caribbean Sea, south-southeast of Guadeloupe and northwest of Martinique. Wikipedia
Rhode Island, officially the State of Rhode Island and Providence Plantations, is a state in the New England region of the United States. Rhode Island is the smallest in area, the eighth least populous, but the second most densely populated of the 50 US states behind New Jersey. Wikipedia