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Cape Henlopen State Park sunset
Sunset at Cape Henlopen. According to well-informed circles Cape Henlopen State Park has a 24-hour and year-round fishing pier as well as campgrounds.
Image: Bob Mical

___ Reference Map of Delaware (DE)

About Delaware

Topographic Regions Map of Delaware
Topographic Regions Map of Delaware.

Delaware FlagDelaware is one of the Middle Atlantic states situated almost entirely on the north eastern part of the Delmarva Peninsula. Bounded to the east by New Jersey across the Delaware River and the Delaware Bay, and by the Atlantic Ocean, to the west by Maryland along the Mason–Dixon line, in south by Maryland again, and there is a short border with Pennsylvania in north, formed by the so called Twelve-Mile Circle.

Delaware was one of the 13 original colonies that have gotten rid of the rule of the English Crown and later formed the United States. Delaware was the first state to ratify the U.S. Constitution and so earned its name as the First State. The state was named in honor of Lord De La Warr, an English politician and governor of the Virginia Colony.


Delaware is from north to south 154 km (95.5 mi) long, at its smallest point just 14.5 km (9 mi) wide, it the second smallest state in the US after Rhode Island. DE occupies an area of 6,446 km² (2,489 sq mi) [1], it would fit into Belgium almost five times.

The Old State House in Dover, Delaware's first permanent capitol
The Old State House in Dover was Delaware's first permanent capitol building.
Image: Jeffrey

Situated at the northern end of the low-lying Atlantic Coastal Plain, Delaware's landscape is mostly boring flat, it has the lowest mean elevation of any state in the US. The highest point of Delaware (at about 460 ft, or 140 m), is situated in a mobile home park, close to the official benchmark monument of the Ebright Azimuth.

Major rivers are Delaware River, Mispillion River, Indian River, and Nanticoke River.

According to the U.S. Census Bureau, Delaware has a population of 953,000 people (est. 2018) [2], it is the sixth most densely populated state in the US. Capital and second largest city is Dover with a population of about 37.000 citizens, about 162,000 live in the metropolitan area. Largest city is Wilmington (pop. 71,000).
Busiest airport in the state is Wilmington Airport (IATA code: ILG)

Cities and Towns in Delaware

Washington Street Memorial Bridge over Brandywine Creek in Wilmington, Delaware
Washington Street Memorial Bridge over Brandywine Creek in Wilmington, Delaware. Wilmington Hospital to the left, Brandywine Zoo to the right.
Image: TCDavis

The map shows the location of following cities and towns in Delaware:

Largest city is Wilmington (71,000)

Cities with a population of more than 10,000:

Dover, Newark, Middletown, and Smyrna.

Other Delaware cities and towns:
Bethany Beach, Claymont, Georgetown, Lewes, Milford, New Castle, Rehoboth Beach, and Seaford.

The detailed map below shows the US state of Delaware with boundaries, the location of the state capital Dover, major cities and populated places, streams and lakes, interstate highways, principal highways, and railroads.

You are free to use this map for educational purposes (fair use), please refer to the Nations Online Project.

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Reference Map of Delaware
Reference Map of Delaware.

Map is based on a state map of The National Atlas of the USA.
Map of the USA Map of Pennsylvania Map of New Jersey Map of Maryland
More about Delaware and the United States:

Cities -- Information about, and searchable maps of:
Searchable Map and Satellite view of Delaware's capital Dover

U.S. States:
US State Capitals
Profile of the 50 U.S. States
Maps of the 50 U.S. States
Flags of the 50 U.S. States
Area of the 50 U.S. States
Population of the 50 U.S. States

Map of the USA
Reference Map of Mainland USA.
Searchable map/satellite view of the United States.
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Major US Airports
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United States Country Profile

Political Map of North America
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