Delaware map and facts

Delaware, “the First State”, is a South state in the South Atlantic division. Its capital is Dover.

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Delaware in magenta, bordering states in pink

Delaware in context

With 989,948 people counted in the 2020 Census, Delaware holds about 0.3% of the US population. Its 2,489 square miles make it the 49th-largest state by area, and with 397.7 people per square mile it ranks 6th for population density.

Delaware shares borders with Maryland, New Jersey, Pennsylvania. Want to see how it measures up? Compare Delaware with Maryland.

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Delaware FAQ

What is the capital of Delaware?

The capital of Delaware is Dover. The largest city is Wilmington, which is not the capital.

What is the population of Delaware?

Delaware had 989,948 residents in the 2020 Census, ranking 45th of the 50 states.

How big is Delaware?

Delaware covers 2,489 square miles (6,446 km²) including water, making it the 49th-largest state.

When did Delaware become a state?

Delaware became the 1st state on December 7, 1787.

What time zone is Delaware in?

Delaware is in the Eastern time zone.

What states border Delaware?

Delaware borders 3 states: Maryland, New Jersey, Pennsylvania.