Sheldon Township, IL Elevation & Topographic Map
Elevation
750 ft 230 m730 ft 220 m710 ft 215 m690 ft 210 m660 ft 200 m640 ft 195 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
Sheldon Township sits at about 680 ft (210 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
680 ft 210 m
most residents: 680–690 ft
Lowest
640 ft 195 m
on the west side
Highest
750 ft 230 m
on the south side
Average
690 ft 210 m
all land inside township boundaries
Sheldon Township spans about 110 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 | 680 ft210 m |
| Highest point Inside township boundaries, on the south side | 750 ft230 m |
| Lowest point Inside township boundaries, on the west side | 640 ft195 m |
| Town center USGS map point for Sheldon Township | 690 ft210 m |
| Airport (50I) FAA airport elevation, the highest point of its runways, 5.1 mi east of the township boundaries | 699 ft213 m |
| Average of all land | 690 ft210 m |
Elevation profile, south to north
6.1 mi south to north through the town center.
Topographic Map
- Location
- Township in Iroquois County, Illinois, United States
- Population
- 1,181 2024 est.
- Land area
- 39.7 sq mi
- Density
- 30 per sq mi
- Coordinates
- 40.7692° N, 87.5639° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Iroquois River → Illinois River → Mississippi River → Gulf of America
- Airport
- Kentland Municipal (50I) 699 ft
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Raub, IN740 ft
- York Township, Benton County, IN740 ft
- Sheldon680 ft
- Sheldon Township680 ft
- Kentland, IN680 ft
- Jefferson Township, Newton County, IN680 ft
- Donovan670 ft
- Beaver Township670 ft
- Concord Township, Iroquois County660 ft
- Iroquois660 ft
- Washington Township, Newton County, IN660 ft
Rankings by typical elevation
- Towns in Illinois1,059th highest of 2,872
- Towns in Iroquois County12th highest of 47
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).
- 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, 640 ft at 40.7743° N, 87.6451° W, is in such a hollow or patch and is not counted.
- 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); FAA airport data; BTS time zones. All public domain.