Potomac Heights, MD Elevation & Topographic Map

Elevation
120 ft 35 m90 ft 27 m75 ft 23 m45 ft 14 m15 ft 5 m0 ft 0 m
Contours every 100 ft, bold every 500 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Area
- Fades everything outside the official CDP boundary (US Census).
Elevation Data
Potomac Heights sits at about 81 ft (25 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
81 ft 25 m
most residents: 75–81 ft
Lowest
0 ft 0 m
near the middle
Highest
120 ft 35 m
on the southeast side
Average
46 ft 14 m
all land inside the CDP boundary
Potomac Heights spans about 120 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 81 ft25 m |
| Highest point Inside the CDP boundary, on the southeast side | 120 ft35 m |
| Lowest point Inside the CDP boundary, near the middle | 0 ft0 m |
| Town center USGS map point for Potomac Heights | 77 ft24 m |
| Airport (2W5) FAA airport elevation, the highest point of its runways, 2.6 mi east of the CDP boundary | 175 ft53 m |
| Average of all land | 46 ft14 m |
Elevation profile, west to east
0.7 mi west to east through the town center.
Topographic Map
- Location
- Unincorporated community (census-designated place) in Charles County, Maryland, United States
- Population
- 1,036 2020 Census
- Land area
- 1.1 sq mi + 0.2 sq mi water
- Density
- 966 per sq mi
- Coordinates
- 38.6087° N, 77.1405° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Coastal Plain
- Drains to
- Potomac River → Atlantic Ocean
- Airport
- Maryland (2W5) 175 ft
- ZIP codes 1
- 20640
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Bensville190 ft
- Pomfret180 ft
- Accokeek170 ft
- Bryans Road160 ft
- Fort Belvoir, VA120 ft
- Cherry Hill, VA110 ft
- Leesylvania, VA98 ft
- Woodbridge, VA92 ft
- Potomac Heights81 ft
- Indian Head34 ft
- Mason Neck, VA33 ft
Rankings by typical elevation
- Towns in Maryland376th highest of 536
- Towns in Charles County8th highest of 13
Peaks and hills nearest, by height
- Sugarloaf3,450 ft
- Rose Hill160 ft
- Stretchmark Hill160 ft
- Ellenboro Hill130 ft
- Bunker Hill130 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026).
- Pits: the lowest point is the lowest ground outside closed hollows (quarry floors, mine pits, terrain-model artifacts): any hollow under 0.4 sq mi (1 km²), and any hollow under 2 sq mi (5 km²) whose floor is more than 100 ft (30 m) below its rim; and outside patches below sea level of under 0.4 sq mi (1 km²). The single lowest 3DEP cell, −1 ft at 38.6088° N, 77.1440° W, is in such a hollow or patch and is not counted.
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Potomac Heights is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones. All public domain.