Delaware is a state located on the Atlantic Coast in the Mid-Atlantic and Southern regions of the United States.[3] The state is named after Delaware Bay and River, which were named for Thomas West, 3rd Baron De La Warr (1577–1618). Population estimates by the Census Bureau for 2005 place the population of Delaware at 843,524. Despite being the 45th most populous state, it is the seventh most densely populated state, with a population density of 320 more people per square mile than the national average, ranking ahead of states such as Florida, California, and Texas.