Mobile County, AL Elevation & Topographic Map

Topographic elevation map of Mobile County, Alabama, shaded from sea level on Mississippi Sound to 360 ft on the north side
Elevation
360 ft 110 m270 ft 80 m220 ft 70 m130 ft 40 m45 ft 14 m0 ft 0 m
Zoom in for contour lines
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.
County area
Fades everything outside the official county boundary (US Census).

Elevation Data

Mobile County averages about 120 ft (35 m) above sea level across all its land. Its ground runs from sea level on Mississippi Sound to 360 ft on the north side.

Average elevation
120 ft 35 m
all land inside the county
Highest
360 ft 110 m
on the north side
Lowest
0 ft 0 m
at sea level on Mississippi Sound

Mobile County spans about 360 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.

FigureElevation
Average of all land120 ft35 m
Highest point
Inside the county, on the north side
360 ft110 m
Lowest point
Where the land meets Mississippi Sound
0 ft0 m

Elevation profile, west to east

24 mi west to east through Mobile.

Topographic Map

Topographic elevation map of Mobile County, Alabama, shaded from sea level on Mississippi Sound to 360 ft on the north side
County boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
County in Alabama, United States
Population
412,339 2024 est.
Land area
1,229.4 sq mi + 414.7 sq mi water
Density
335 per sq mi
Time zone
Central UTC−6 / −5
Landform region
Coastal Plain 98%
Drains to
Gulf of America
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Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Greene County, MS180 ft
  2. Washington County150 ft
  3. George County, MS130 ft
  4. Mobile County120 ft
  5. Baldwin County100 ft
  6. Jackson County, MS44 ft

Rankings by average elevation

Peaks and hills highest inside

  • Big Rock270 ft
All 21 towns in Mobile County by typical elevation
  1. Citronelle300 ft
  2. Semmes210 ft
  3. Gulfcrest160 ft
  4. Tillmans Corner140 ft
  5. Chunchula130 ft
  6. Grand Bay82 ft
  7. Theodore81 ft
  8. Mobile74 ft
  9. Movico56 ft
  10. Calvert partly54 ft
  11. Bucks44 ft
  12. Mount Vernon43 ft
  13. Prichard39 ft
  14. Saraland36 ft
  15. Chickasaw32 ft
  16. Axis23 ft
  17. Creola21 ft
  18. Satsuma20 ft
  19. Belle Fontaine20 ft
  20. Bayou La Batre10 ft
  21. Dauphin Island5 ft
How we measure
  • Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 1 arc-second (≈100 ft, 30 m) grid. Land means the boundary minus Census area water.
  • Highest and lowest: the highest land cell. Lowest: the lowest land cell; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
  • 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, −3 ft at 30.2168° N, 88.1046° W, is in such a hollow or patch and is not counted; this coastal land's lowest point is sea level on the coast.
  • Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it 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).
  • Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
  • 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 (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.
  • Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.