Omaha Township, IL Elevation & Topographic Map
Elevation
450 ft 140 m420 ft 130 m410 ft 125 m380 ft 115 m360 ft 110 m340 ft 105 m
Contours every 100 ft, bold every 500 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
Omaha Township sits at about 390 ft (120 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
390 ft 120 m
most residents: 370–420 ft
Lowest
340 ft 105 m
on the southwest side
Highest
450 ft 135 m
on the northeast side
Average
380 ft 115 m
all land inside township boundaries
Omaha 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 | 390 ft120 m |
| Highest point Inside township boundaries, on the northeast side | 450 ft135 m |
| Lowest point Inside township boundaries, on the southwest side | 340 ft105 m |
| Town center USGS map point for Omaha Township | 380 ft115 m |
| Average of all land | 380 ft115 m |
Elevation profile, west to east
6.1 mi west to east through the town center.
Topographic Map
- Location
- Township in Gallatin County, Illinois, United States
- Population
- 395 2024 est.
- Land area
- 18.6 sq mi
- Density
- 21 per sq mi
- Coordinates
- 37.8903° N, 88.3031° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- North Fork Saline 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
- Heralds Prairie Township440 ft
- Indian Creek Township430 ft
- Norris City430 ft
- Omaha Township390 ft
- Mayberry Township380 ft
- Omaha380 ft
- Asbury Township380 ft
- North Fork Township380 ft
- Ridgway380 ft
- Ridgway Township380 ft
- Rector Township370 ft
Rankings by typical elevation
- Towns in Illinois2,827th highest of 2,872
- Towns in Gallatin County5th highest of 17
Peaks and hills nearest, by height
- Cave Hill930 ft
- Gold Hill690 ft
- Maher Hill610 ft
- Colbert Hill580 ft
- Bunker Hill, Hamilton County560 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).
- 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, 340 ft at 37.8668° N, 88.3504° 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.