Delaware: elevation, cities and highest point
Delaware has 1,059,952 people (2025) and 3 counties. Its highest point is Ebright Azimuth, at 448 ft, and its lowest, the Atlantic Ocean, at sea level. Here you’ll find the elevation of its capital, with a map of its counties.
By the All Map Tools Team
- Population (2025)
- 1,059,952
- The 45th most populous of the 50 states
- Land area
- 1,948 sq mi
- The 49th largest state
- Counties
- 3
- According to the Census (2025)
- Highest point
- 448 ft
- Ebright Azimuth · the 49th highest of the 50 state high points
- Lowest point
- Sea level
- Atlantic Ocean
Map of Delaware’s counties
- Capital’s county
- County with a city page
- City, by elevation
- Highest point
Elevation
The capital, Dover, sits at 28 ft (9 m): the 47th highest of the 50 state capitals. Delaware’s highest point, Ebright Azimuth, is 420 ft higher.
The USGS table gives its highest point, Ebright Azimuth, 448 ft. It has no page of its own because the official gazetteer (GNIS) has no point for it.
Delaware borders 3 states. Their highest points are Hoye-Crest, in Maryland (3,360 ft), Mount Davis, in Pennsylvania (3,213 ft), and High Point, in New Jersey (1,803 ft): Delaware’s is the 4th highest of the 4. Their capitals: Annapolis (44 ft), Harrisburg (334 ft), and Trenton (60 ft).
- Dover 28 ft
Population
Delaware had 1,059,952 residents on July 1, 2025, according to Census Bureau estimates, 7.1% more than in April 2020 (989,950). Across 1,948 sq mi of land, that’s 544 people/sq mi.
Its most populous place is Wilmington, with 73,512 people. The Census counts 79 cities, towns and census-designated places (CDPs) in Delaware.
| Place | Population | Land area | Elevation |
|---|---|---|---|
| Wilmington | 73,512 | 10.9 sq mi | — |
| Dover | 40,592 | 23.9 sq mi | 28 ft |
| Newark | 30,359 | 9.47 sq mi | — |
| Middletown | 25,798 | 13.5 sq mi | — |
| Bear | 22,370 | 5.78 sq mi | — |
| Glasgow | 15,546 | 9.93 sq mi | — |
| Brookside | 15,115 | 3.88 sq mi | — |
| Milford | 14,723 | 9.86 sq mi | — |
| Hockessin | 13,439 | 10.0 sq mi | — |
| Smyrna | 13,340 | 6.43 sq mi | — |
Neighboring states
Tools
Frequently asked questions
What is the highest point in Delaware?
Ebright Azimuth, at 448 ft, according to the USGS table. It’s the 49th highest of the 50 state high points.
What is the lowest point in Delaware?
The Atlantic Ocean, at sea level, according to the same USGS table.
What is the elevation of Dover, the capital?
28 ft above sea level, at its reference point in the USGS gazetteer. It’s the 47th highest state capital.
How many counties does Delaware have?
3, according to the Census Bureau in 2025.
Sources
- Population, land area and counties: U.S. Census Bureau (Vintage 2025 estimates and 2025 Gazetteer), public domain.
- Highest and lowest points: USGS, “Elevations and Distances in the United States” (and, for Denali, the 2015 survey), public domain.
- City elevations: USGS 3DEP at each city’s GNIS point, public domain.
- County map: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
Methodology and sources · Spotted a mistake? Let us know