Bald Bluff Township, IL Elevation & Topographic Map
Elevation
740 ft 225 m690 ft 210 m660 ft 200 m610 ft 185 m560 ft 170 m530 ft 160 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
Bald Bluff Township sits at about 580 ft (175 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
580 ft 175 m
most residents: 560–640 ft
Lowest
530 ft 160 m
on the west side
Highest
740 ft 225 m
on the northwest side
Average
600 ft 185 m
all land inside township boundaries
Bald Bluff Township spans about 210 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 Where people live: half of residents higher, half lower | 580 ft175 m |
| Highest point Inside township boundaries, on the northwest side | 740 ft225 m |
| Lowest point Inside township boundaries, on the west side | 530 ft160 m |
| Town center USGS map point for Bald Bluff Township | 630 ft195 m |
| Average of all land | 600 ft185 m |
Elevation profile, south to north
6.1 mi south to north through the town center.
Topographic Map
- Location
- Township in Henderson County, Illinois, United States
- Population
- 210 2024 est.
- Land area
- 42.1 sq mi + 0.8 sq mi water
- Density
- 5.0 per sq mi
- Coordinates
- 41.0186° N, 90.8538° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Hale Township740 ft
- Rozetta Township710 ft
- Sumner Township, Warren County620 ft
- Little York620 ft
- Seaton610 ft
- Abington Township610 ft
- Bald Bluff Township580 ft
- Oquawka Township560 ft
- Oquawka560 ft
- Keithsburg Township550 ft
- Keithsburg550 ft
Rankings by typical elevation
- Towns in Illinois2,121st highest of 2,872
- Towns in Henderson County11th highest of 20
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the township boundaries, 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 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. All public domain.