Isabel, SD Elevation & Topographic Map

Topographic elevation map of Isabel, South Dakota, shaded from 2,340 ft on the northwest side to 2,410 ft near the middle
Elevation
2,410 ft 735 m2,390 ft 730 m2,390 ft 725 m2,370 ft 720 m2,350 ft 715 m2,340 ft 715 m
Contours every 40 ft, bold every 200 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

Isabel sits at about 2,390 ft (730 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
2,390 ft 730 m
most residents: 2,380–2,410 ft
Lowest
2,340 ft 715 m
on the northwest side
Highest
2,410 ft 735 m
near the middle
Average
2,390 ft 725 m
all land inside town limits

Isabel spans about 70 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
2,390 ft730 m
Highest point
Inside town limits, near the middle
2,410 ft735 m
Lowest point
Inside town limits, on the northwest side
2,340 ft715 m
Town center
USGS map point for Isabel
2,400 ft730 m
Average of all land2,390 ft725 m

Elevation profile, west to east

1.0 mi west to east through the town center.

Topographic Map

Topographic elevation map of Isabel, South Dakota, shaded from 2,340 ft on the northwest side to 2,410 ft near the middle
Town limits (dashed) over shaded terrain, with contours every 10 ft (3 m).
Location
Town in Dewey County, South Dakota, United States
Population
155 2024 est.
Land area
0.8 sq mi
Density
183 per sq mi
Coordinates
45.3941° N, 101.4296° W
Time zone
Mountain UTC−7 / −6
Landform region
Great Plains
Drains to
Firesteel Creek → Grand River → Missouri River → Mississippi River → Gulf of America
ZIP codes 1
57633
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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; NOAA NGS survey heights. All public domain.