Mendota Township, IL Elevation & Topographic Map

Elevation
920 ft 280 m860 ft 260 m830 ft 250 m760 ft 235 m700 ft 215 m670 ft 205 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
Mendota Township sits at about 750 ft (225 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
750 ft 225 m
most residents: 740–780 ft
Lowest
670 ft 205 m
on the east side
Highest
920 ft 280 m
on the north side
Average
810 ft 245 m
all land inside township boundaries
Mendota Township spans about 250 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 | 750 ft225 m |
| Highest point Inside township boundaries, on the north side | 920 ft280 m |
| Lowest point Inside township boundaries, on the east side | 670 ft205 m |
| Town center USGS map point for Mendota Township | 740 ft225 m |
| Average of all land | 810 ft245 m |
Elevation profile, south to north
6.0 mi south to north through the town center.
Topographic Map
- Location
- Township in LaSalle County, Illinois, United States
- Population
- 7,034 2024 est.
- Land area
- 35.9 sq mi + 0.1 sq mi water
- Density
- 196 per sq mi
- Coordinates
- 41.5473° N, 89.1176° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Illinois River → Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Clarion Township800 ft
- La Moille790 ft
- La Moille Township790 ft
- Mendota Township750 ft
- Mendota740 ft
- Troy Grove Township720 ft
- Meriden Township710 ft
- Ophir Township670 ft
- Triumph670 ft
- Troy Grove660 ft
- Dimmick Township640 ft
Rankings by typical elevation
- Towns in Illinois540th highest of 2,872
- Towns in LaSalle Countyhighest of 67
Peaks and hills nearest, by height
- Starved Rock660 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); BTS time zones. All public domain.