Delaware is the second smallest state, a flat ribbon of land on the Atlantic between Maryland and the Delaware River. Dover is the capital and Wilmington the largest city.
It calls itself the First State for being the first to ratify the Constitution in 1787. Business-friendly laws have made it the legal home of a huge share of American companies, including many Fortune 500 names.
The southern beaches around Rehoboth draw summer crowds, and the Winterthur and Hagley estates near Wilmington tell the du Pont story.
About a fifth of Delaware homes, around 21%, heat with oil, based on 2019 Census Bureau data. Compare quotes from local suppliers to find a fair price.