Union, AL Elevation & Topographic Map

Topographic elevation map of Union, Alabama, shaded from 240 ft on the east side to 340 ft on the north side
Elevation
340 ft 100 m310 ft 95 m300 ft 90 m280 ft 85 m250 ft 75 m240 ft 75 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.
Town area
Fades everything outside the official town limits (US Census).

Elevation Data

Union sits at about 280 ft (85 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
280 ft 85 m
most residents: 250–320 ft
Lowest
240 ft 75 m
on the east side
Highest
340 ft 100 m
on the north side
Average
290 ft 90 m
all land inside town limits

Union spans about 100 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
280 ft85 m
Highest point
Inside town limits, on the north side
340 ft100 m
Lowest point
Inside town limits, on the east side
240 ft75 m
Town center
USGS map point for Union
310 ft95 m
Average of all land290 ft90 m

Elevation profile, west to east

0.5 mi west to east through the town center.

Topographic Map

Topographic elevation map of Union, Alabama, shaded from 240 ft on the east side to 340 ft on the north side
Town limits (dashed) over shaded terrain, with contours every 10 ft (3 m).
Location
Town in Greene County, Alabama, United States
Population
167 2024 est.
Land area
0.8 sq mi
Density
203 per sq mi
Coordinates
32.9882° N, 87.9150° W
Time zone
Central UTC−6 / −5
Landform region
Coastal Plain
Drains to
Tombigbee River → Mobile River → Gulf of America
ZIP codes 1
35462
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Sources: U.S. Census Bureau, USGS

Nearby Places

How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the town limits, 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 town limits (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.
  • Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, 2024 population estimates, Gazetteer areas, ZIP code areas); BTS time zones. All public domain.