McHenry Township, IL Elevation & Topographic Map
Elevation
960 ft 290 m900 ft 275 m870 ft 265 m820 ft 250 m760 ft 235 m740 ft 225 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
McHenry Township sits at about 780 ft (235 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
780 ft 235 m
most residents: 750–860 ft
Lowest
740 ft 225 m
on the northeast side
Highest
960 ft 290 m
on the west side
Average
810 ft 250 m
all land inside township boundaries
McHenry Township spans about 220 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 | 780 ft235 m |
| Highest point Inside township boundaries, on the west side | 960 ft290 m |
| Lowest point Inside township boundaries, on the northeast side | 740 ft225 m |
| Town center USGS map point for McHenry Township | 800 ft245 m |
| Airport (3CK) FAA airport elevation, the highest point of its runways, 8.3 mi south of the township boundaries | 887 ft270 m |
| Average of all land | 810 ft250 m |
Elevation profile, west to east
8.0 mi west to east through the town center.
Topographic Map
- Location
- Township in McHenry County, Illinois, United States
- Population
- 47,798 2024 est.
- Land area
- 44.7 sq mi + 3.3 sq mi water
- Density
- 1,069 per sq mi
- Coordinates
- 42.3334° N, 88.2668° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Fox River → Illinois River → Mississippi River → Gulf of America
- Airport
- Lake In the Hills (3CK) 887 ft
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Ringwood870 ft
- Bull Valley860 ft
- Nunda Township810 ft
- McCullom Lake800 ft
- Johnsburg780 ft
- McHenry780 ft
- McHenry Township780 ft
- Prairie Grove780 ft
- Lakemoor760 ft
- Burtons Bridge750 ft
- Holiday Hills740 ft
Rankings by typical elevation
- Towns in Illinois381st highest of 2,872
- Towns in McHenry County50th highest of 57
Peaks and hills nearest, by height
- Gander Mountain957 ft
- Hill Fifteen910 ft
- Camelback Kame870 ft
- Bald Knob, McHenry County790 ft
- Leahy Hill770 ft
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); FAA airport data; BTS time zones; NOAA NGS survey heights. All public domain.