When people first hear the name Delaware, they often ask the same question: “Where exactly is Delaware on the map?” Despite being one of the smallest states in the U.S., Delaware holds big importance in history, geography, and American culture. In this post, we’ll explore where Delaware is located, its position on the U.S. map, what borders it, and why its location matters more than you might think.
Where Is Delaware on the Map?
Delaware is located on the East Coast of the United States, in the Mid-Atlantic region. If you look at a map, you’ll find it nestled between Maryland, New Jersey, and Pennsylvania.
To break it down:
- North: Bordered by Pennsylvania
- South and West: Bordered by Maryland
- East: Bordered by the Delaware River, Delaware Bay, and the Atlantic Ocean
- Across the Northeast corner: Lies New Jersey, separated by the Delaware River
It’s a narrow state that runs roughly north to south, with most of its land lying on a long, low coastal plain.
Delaware’s Exact Position on the U.S. Map
- Region: Mid-Atlantic
- Latitude: Between 38° and 39.8° N
- Longitude: Between 75° and 75.8° W
- Relative Location: South of Philadelphia and north of the Eastern Shore of Maryland
If you were to trace it on a U.S. map, Delaware appears like a small wedge between the Atlantic Ocean and its larger neighbors.
Neighboring States and Water Bodies
Delaware’s compact shape gives it a unique geographical advantage. It’s surrounded by both land and water, making it strategically positioned for trade, travel, and tourism.
- Maryland borders Delaware to the south and west, sharing the Delmarva Peninsula.
- Pennsylvania sits directly to the north, with the city of Wilmington near the state line.
- New Jersey lies across the Delaware River and Bay, connected via bridges and ferries.
- The Atlantic Ocean touches Delaware’s eastern edge, offering beaches and coastal towns like Rehoboth and Bethany Beach.
Major Cities to Spot on the Delaware Map
When locating Delaware, you’ll come across a few key cities that stand out:
- Wilmington – In the northern tip near Pennsylvania; Delaware’s largest city and a major financial hub.
- Dover – The state capital, located roughly in the center; known for its historic sites and the famous Dover International Speedway.
- Newark – Home to the University of Delaware and close to the Maryland border.
- Rehoboth Beach – A popular seaside resort town on the Atlantic coast.
These cities form the landmarks that make Delaware easy to recognize once you know what to look for.
Delaware’s Size and Shape on the Map
Delaware is the second smallest U.S. state, after Rhode Island.
- Total area: About 1,982 square miles
- Length: Roughly 96 miles from north to south
- Width: Between 9 and 35 miles wide
Because of its narrow shape, Delaware can be driven from top to bottom in about two hours. Its slim profile and proximity to larger states often make it easy to miss on a big map—but it’s there, hugging the Atlantic coastline with a quiet confidence.
Why Delaware’s Location Matters
Despite its size, Delaware’s location gives it tremendous economic and historical importance.
- Access to Major Cities: Delaware is close to Philadelphia, Washington D.C., Baltimore, and New York City — making it part of one of the most active economic corridors in the country.
- Coastal Access: Its shoreline along the Atlantic and Delaware Bay supports ports, trade, and tourism.
- Tax & Business Hub: Delaware’s position near major metro areas, combined with business-friendly laws, makes it a go-to state for companies to register and operate.
The Geography and Landscape
The entire state lies within the Atlantic Coastal Plain, meaning Delaware is mostly flat and low-lying. Its highest point is only about 450 feet above sea level. The state is divided into three counties — New Castle, Kent, and Sussex — stretching from north to south.
- New Castle County: Urban and industrial (home to Wilmington).
- Kent County: Central Delaware; mostly agricultural and historical.
- Sussex County: Coastal region with beaches, farmlands, and vacation spots.
A Historical Perspective on Delaware’s Place
Delaware’s geography helped shape American history. It was the first state to ratify the U.S. Constitution in 1787, earning it the nickname “The First State.” Its location on the Atlantic coast made it vital during colonial trade and the Revolutionary War.
Its central spot also made it a gateway between the North and South, influencing its culture and economy over the centuries.
Climate by Location
Delaware’s coastal placement gives it a humid subtropical climate.
- Northern Delaware: Mild winters and warm summers.
- Southern Delaware: Warmer year-round with more influence from the ocean breeze.
Because of this, it enjoys four distinct seasons, making it great for outdoor living, farming, and tourism.
How to Locate Delaware Quickly on a U.S. Map
If you’re looking at a map and struggling to find Delaware:
- Start at Washington, D.C.
- Move your eyes north along the coast — past Maryland.
- You’ll find a small, narrow state right before reaching New Jersey and Pennsylvania — that’s Delaware!
It’s sandwiched between larger states, but its long eastern coastline makes it easy to spot once you know where to look.
Fun Facts About Delaware’s Location
- It’s the only state with all its counties bordering either water or another state.
- You can drive across Delaware faster than some people commute to work — less than 2 hours top to bottom!
- Delaware Bay forms one of the largest estuaries on the East Coast.
- It’s part of the Delmarva Peninsula, a name derived from Delaware, Maryland, and Virginia.
Key Takeaway
Delaware might be small, but it’s strategically placed. On a map, you’ll find it:
- On the East Coast, in the Mid-Atlantic region
- Between Maryland, Pennsylvania, and New Jersey
- Touching the Atlantic Ocean and Delaware Bay
It’s a state that combines coastal charm, easy access to major cities, and a powerful economic position — all in a space you could drive through in an afternoon.
FAQs About Delaware’s Location
Q1. Is Delaware part of New England?
No. Delaware is part of the Mid-Atlantic region, not New England.
Q2. What ocean is Delaware near?
Delaware lies along the Atlantic Ocean on its eastern side.
Q3. How far is Delaware from New York City?
Roughly 130 miles (210 km) — about a two-and-a-half-hour drive.
Q4. Which states border Delaware directly?
Delaware borders Maryland, Pennsylvania, and New Jersey.
Q5. What’s the capital of Delaware?
The capital is Dover, located in the central part of the state.

