Colorado (USA) is 5.3 times larger than Costa Rica.
Area: 51,100 km2 World Factbook
Population: 4,755,234 (July 2014) World Factbook
Costa Rica, officially the Republic of Costa Rica, is a country in Central America, bordered by Nicaragua to the north, Panama to the southeast, the Pacific Ocean to the west, the Caribbean Sea to the east, and Ecuador to the south of Cocos Island. Wikipedia
Colorado is a U.S. state encompassing most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is part of the Western United States, the Southwestern United States, and the Mountain States. Wikipedia