Oblong Township, IL Elevation & Topographic Map

Elevation

550 ft 170 m520 ft 160 m510 ft 155 m480 ft 145 m460 ft 140 m440 ft 135 m

Contours every 200 ft, bold every 1,000 ft

USGS 3DEP · U.S. Census Bureau

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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

Oblong Township sits at about 500 ft (155 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation

500 ft 155 m

most residents: 480–520 ft

Lowest

440 ft 135 m

on the southeast side

Highest

550 ft 170 m

on the northeast side

Average

490 ft 150 m

all land inside township boundaries

Oblong Township spans about 110 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	500 ft155 m
Highest point Inside township boundaries, on the northeast side	550 ft170 m
Lowest point Inside township boundaries, on the southeast side	440 ft135 m
Town center USGS map point for Oblong Township	510 ft155 m
Average of all land	490 ft150 m

Elevation profile, south to north

8.2 mi south to north through the town center.

Topographic Map

Location: Township in Crawford County, Illinois, United States
Population: 2,728 2024 est.
Land area: 57.4 sq mi
Density: 48 per sq mi
Coordinates: 39.0020° N, 87.9089° W
Time zone: Central UTC−6 / −5
Landform region: Central Lowland
Drains to: Embarras River → Wabash River → Ohio River → Mississippi River → Gulf of America

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Sources: U.S. Census Bureau, USGS

Nearby Places

Nearby towns by typical elevation

Rankings by typical elevation

Towns in Illinois2,425th highest of 2,872
Towns in Crawford County10th highest of 18

Peaks and hills nearest, by height

Red Hill631 ft
Bristol Hill560 ft
Jordan Hill560 ft
Indian Mound520 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; NOAA NGS survey heights. All public domain.