Sumner Township, Warren County, IL Elevation & Topographic Map
Elevation
720 ft 220 m690 ft 210 m670 ft 205 m630 ft 190 m590 ft 180 m570 ft 175 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
Sumner Township, Warren County sits at about 620 ft (190 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
620 ft 190 m
most residents: 590–670 ft
Lowest
570 ft 175 m
on the northwest side
Highest
720 ft 220 m
on the southwest side
Average
630 ft 190 m
all land inside township boundaries
Sumner Township, Warren County spans about 150 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 | 620 ft190 m |
| Highest point Inside township boundaries, on the southwest side | 720 ft220 m |
| Lowest point Inside township boundaries, on the northwest side | 570 ft175 m |
| Average of all land | 630 ft190 m |
Elevation profile, south to north
6.1 mi south to north through the middle of Sumner Township, Warren County.
Topographic Map
- Location
- Township in Warren County, Illinois, United States
- Population
- 476 2024 est.
- Land area
- 37.1 sq mi
- Density
- 13 per sq mi
- Coordinates
- 41.0112° N, 90.7421° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Mississippi River → Gulf of America
⤓ Download this map
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Monmouth760 ft
- Monmouth Township760 ft
- Hale Township740 ft
- Rozetta Township710 ft
- Spring Grove Township690 ft
- Ohio Grove Township640 ft
- Sumner Township, Warren County620 ft
- Little York620 ft
- Seaton610 ft
- Abington Township610 ft
- Bald Bluff Township580 ft
Rankings by typical elevation
- Towns in Illinois1,783rd highest of 2,872
- Towns in Warren County20th highest of 21
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).
- 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, 570 ft at 41.0340° N, 90.7837° 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.
- 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.