Adelphi, MD Elevation & Topographic Map

Topographic elevation map of Adelphi, Maryland, shaded from 60 ft on the south side to 320 ft on the north side
Elevation
320 ft 95 m250 ft 75 m220 ft 70 m160 ft 50 m92 ft 28 m60 ft 18 m
Contours every 100 ft, bold every 500 ft
USGS 3DEP · U.S. Census Bureau
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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

Adelphi sits at about 180 ft (55 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
180 ft 55 m
most residents: 120–240 ft
Lowest
60 ft 18 m
on the south side
Highest
320 ft 95 m
on the north side
Average
170 ft 50 m
all land inside the CDP boundary

Adelphi spans about 260 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.

FigureElevation
Typical
Where people live: half of residents higher, half lower
180 ft55 m
Highest point
Inside the CDP boundary, on the north side
320 ft95 m
Lowest point
Inside the CDP boundary, on the south side
60 ft18 m
Town center
USGS map point for Adelphi
170 ft50 m
Airport (DCA)
FAA airport elevation, the highest point of its runways, 9.8 mi south of the CDP boundary
14 ft4 m
Average of all land170 ft50 m

Elevation profile, south to north

2.4 mi south to north through the town center.

Topographic Map

Topographic elevation map of Adelphi, Maryland, shaded from 60 ft on the south side to 320 ft on the north side
CDP boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
Unincorporated community (census-designated place) in Prince George's County, Maryland, United States
Population
16,823 2020 Census
Land area
2.7 sq mi
Density
6,176 per sq mi
Coordinates
39.0032° N, 76.9719° W
Time zone
Eastern UTC−5 / −4
Landform region
Piedmont
Drains to
Potomac River → Atlantic Ocean
Airport
Ronald Reagan Washington Ntl (DCA) 14 ft
ZIP codes 1
20783
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WebP, 1200 × 900. Free to use: credit “ElevationOf.com” with a link to this page.

Sources: U.S. Census Bureau, USGS, FAA

Nearby Places

Nearby towns by typical elevation

  1. White Oak360 ft
  2. Burnt Mills330 ft
  3. Four Corners330 ft
  4. Silver Spring290 ft
  5. Hillandale280 ft
  6. Takoma Park230 ft
  7. Adelphi180 ft
  8. Langley Park170 ft
  9. Chillum100 ft
  10. College Park96 ft
  11. University Park91 ft

Rankings by typical elevation

Peaks and hills nearest, by height

  • Quirauk Mountain2,140 ft
  • Hunting Hill515 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).
  • 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.
  • Adelphi 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; NOAA NGS survey heights. All public domain.