Rex Township, SD Elevation & Topographic Map
Elevation
1,970 ft 600 m1,890 ft 575 m1,850 ft 565 m1,760 ft 535 m1,680 ft 510 m1,640 ft 500 m
Contours every 200 ft, bold every 1,000 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.
- Township area
- Fades everything outside the official township boundaries (US Census).
Elevation Data
Rex Township sits at about 1,770 ft (540 m) above sea level, the median height of all land inside township boundaries (too few residents to weight by).
Typical elevation (all land)
1,770 ft 540 m
few residents
Lowest
1,640 ft 500 m
on the north side
Highest
1,970 ft 600 m
on Red Butte
Average
1,770 ft 540 m
all land inside township boundaries
Rex Township spans about 330 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 (all land) Median of all land; too few residents to weight by | 1,770 ft540 m |
| Highest point Inside township boundaries, on Red Butte | 1,970 ft600 m |
| Lowest point Inside township boundaries, on the north side | 1,640 ft500 m |
| Average of all land | 1,770 ft540 m |
Elevation profile, south to north
6.0 mi south to north through the middle of Rex Township.
Topographic Map
- Location
- Township in Lyman County, South Dakota, United States
- Population
- 23 2024 est.
- Land area
- 35.8 sq mi + 0.1 sq mi water
- Density
- 0.6 per sq mi
- Coordinates
- 43.8739° N, 99.7146° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Great Plains
- Drains to
- Medicine Creek → Missouri River → Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Presho1,810 ft
- Lone Star Township1,800 ft
- Reliance1,780 ft
- Roseland Township1,770 ft
- West Brule1,770 ft
- Rex Township1,770 ft
- Bailey Township1,730 ft
- Kennebec1,690 ft
- Oacoma Township1,620 ft
- Lower Brule1,470 ft
- Oacoma1,400 ft
Rankings by typical elevation
- Towns in South Dakota489th highest of 1,383
- Towns in Lyman County8th highest of 13
Peaks and hills nearest, by height
- Medicine Butte2,257 ft
- Red Butte, Lyman County1,970 ft
- Lewis Hill1,820 ft
How we measure
- Typical elevation: the median height of all land inside the township boundaries; too few residents live here to weight by people.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census township boundaries (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); BTS time zones; NOAA NGS survey heights. All public domain.