Nachusa Township, IL Elevation & Topographic Map
Elevation
870 ft 265 m820 ft 250 m790 ft 240 m740 ft 225 m680 ft 210 m660 ft 200 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
Nachusa Township sits at about 790 ft (240 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
790 ft 240 m
most residents: 730–820 ft
Lowest
660 ft 200 m
on the north side
Highest
870 ft 265 m
on the southeast side
Average
780 ft 235 m
all land inside township boundaries
Nachusa 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 | 790 ft240 m |
| Highest point Inside township boundaries, on the southeast side | 870 ft265 m |
| Lowest point Inside township boundaries, on the north side | 660 ft200 m |
| Town center USGS map point for Nachusa Township | 790 ft240 m |
| Airport (C73) FAA airport elevation, the highest point of its runways, 2.4 mi west of the township boundaries | 785 ft239 m |
| Average of all land | 780 ft235 m |
Elevation profile, south to north
10 mi south to north through the town center.
Topographic Map
- Location
- Township in Lee County, Illinois, United States
- Population
- 441 2024 est.
- Land area
- 28.9 sq mi
- Density
- 15 per sq mi
- Coordinates
- 41.8314° N, 89.3898° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Rock River → Mississippi River → Gulf of America
- Airport
- Dixon Municipal-Charles R Walgreen Field (C73) 785 ft
⤓ Download this map
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Franklin Grove Township810 ft
- Franklin Grove810 ft
- Nachusa790 ft
- Nachusa Township790 ft
- South Dixon Township760 ft
- Taylor Township730 ft
- Lost Nation720 ft
- Dixon Township720 ft
- Dixon720 ft
- Grand Detour Township690 ft
- Grand Detour680 ft
Rankings by typical elevation
- Towns in Illinois329th highest of 2,872
- Towns in Lee County22nd highest of 36
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. All public domain.