Pontoosuc Township, IL Elevation & Topographic Map
Elevation
700 ft 215 m660 ft 200 m630 ft 195 m590 ft 180 m540 ft 165 m520 ft 160 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
Pontoosuc Township sits at about 660 ft (200 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
660 ft 200 m
most residents: 530–690 ft
Lowest
520 ft 160 m
on the west side
Highest
700 ft 215 m
on the southwest side
Average
660 ft 200 m
all land inside township boundaries
Pontoosuc Township spans about 180 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 | 660 ft200 m |
| Highest point Inside township boundaries, on the southwest side | 700 ft215 m |
| Lowest point Inside township boundaries, on the west side | 520 ft160 m |
| Town center USGS map point for Pontoosuc Township | 530 ft160 m |
| Airport (BRL) FAA airport elevation, the highest point of its runways, 10 mi north of the township boundaries | 699 ft213 m |
| Average of all land | 660 ft200 m |
Elevation profile, south to north
6.0 mi south to north through the town center.
Topographic Map
- Location
- Township in Hancock County, Illinois, United States
- Population
- 328 2024 est.
- Land area
- 18.5 sq mi + 1.4 sq mi water
- Density
- 18 per sq mi
- Coordinates
- 40.6289° N, 91.2054° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Mississippi River → Gulf of America
- Airport
- Southeast Iowa Regional (BRL) 699 ft
⤓ Download this map
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Appanoose Township670 ft
- Pontoosuc Township660 ft
- Durham Township640 ft
- Dallas City Township620 ft
- Wever, IA560 ft
- Dallas City550 ft
- Fort Madison, IA550 ft
- Lomax Township550 ft
- Lomax550 ft
- Pontoosuc530 ft
- Niota520 ft
Rankings by typical elevation
- Towns in Illinois1,348th highest of 2,872
- Towns in Hancock County21st highest of 39
Peaks and hills nearest, by height
- Gittings Mound760 ft
- Mount Moriah660 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. All public domain.