Big Foot Prairie, IL Elevation & Topographic Map
Elevation
980 ft 300 m970 ft 295 m970 ft 295 m960 ft 290 m950 ft 290 m950 ft 290 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.
- Area
- Fades everything outside the official CDP boundary (US Census).
Elevation Data
Big Foot Prairie sits at about 950 ft (290 m) above sea level, the median height of all land inside the CDP boundary (too few residents to weight by).
Typical elevation (all land)
950 ft 290 m
few residents
Lowest
950 ft 290 m
on the southwest side
Highest
970 ft 295 m
on the south side
Average
950 ft 290 m
all land inside the CDP boundary
Big Foot Prairie is nearly flat: its ground varies by only about 20 ft, so the figures below sit close together.
| Figure | Elevation |
|---|---|
| Typical (all land) Median of all land; too few residents to weight by | 950 ft290 m |
| Highest point Inside the CDP boundary, on the south side | 970 ft295 m |
| Lowest point Inside the CDP boundary, on the southwest side | 950 ft290 m |
| Town center USGS map point for Big Foot Prairie | 950 ft290 m |
| Average of all land | 950 ft290 m |
Topographic Map
- Location
- Unincorporated community (census-designated place) in McHenry County, Illinois, United States
- Population
- 65 2020 Census
- Land area
- 0.2 sq mi
- Density
- 290 per sq mi
- Coordinates
- 42.4950° N, 88.5990° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Rock River → Mississippi River → Gulf of America
- ZIP codes 1
- 60033
⤓ Download this map
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Town of Walworth, WI1,000 ft
- Alden Township1,000 ft
- Walworth, WI1,000 ft
- Alden990 ft
- Williams Bay, WI990 ft
- Delavan Lake, WI970 ft
- Big Foot Prairie950 ft
- Big Foot Prairie, WI950 ft
- Harvard930 ft
- Fontana-on-Geneva Lake, WI900 ft
- Lawrence900 ft
Rankings by typical elevation
- Towns in Illinois15th highest of 2,872
- Towns in McHenry County3rd highest of 57
Peaks and hills nearest, by height
- Camelback Kame870 ft
How we measure
- Typical elevation: the median height of all land inside the CDP boundary; 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 CDP boundary (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, 940 ft at 42.4882° N, 88.6032° 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.
- Big Foot Prairie is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); BTS time zones. All public domain.