Preston Township, IL Elevation & Topographic Map
Elevation
580 ft 175 m540 ft 165 m520 ft 160 m480 ft 145 m450 ft 135 m430 ft 130 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
Preston Township sits at about 480 ft (145 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
480 ft 145 m
most residents: 450–490 ft
Lowest
430 ft 130 m
on the southwest side
Highest
580 ft 175 m
on the west side
Average
480 ft 145 m
all land inside township boundaries
Preston Township 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 | 480 ft145 m |
| Highest point Inside township boundaries, on the west side | 580 ft175 m |
| Lowest point Inside township boundaries, on the southwest side | 430 ft130 m |
| Airport (OLY) FAA airport elevation, the highest point of its runways, 2.9 mi southwest of the township boundaries | 482 ft147 m |
| Average of all land | 480 ft145 m |
Elevation profile, west to east
6.8 mi west to east through the middle of Preston Township.
Topographic Map
- Location
- Township in Richland County, Illinois, United States
- Population
- 1,173 2024 est.
- Land area
- 40.7 sq mi + 0.8 sq mi water
- Density
- 29 per sq mi
- Coordinates
- 38.7967° N, 88.0852° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Little Wabash River → Ohio River → Mississippi River → Gulf of America
- Airport
- Olney-Noble (OLY) 482 ft
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Claremont Township510 ft
- Claremont510 ft
- Fox Township, Jasper County490 ft
- Denver Township490 ft
- Olney480 ft
- German Township480 ft
- Olney Township480 ft
- West Liberty480 ft
- Ste. Marie Township480 ft
- Dundas480 ft
- Preston Township480 ft
Rankings by typical elevation
- Towns in Illinois2,523rd highest of 2,872
- Towns in Richland County11th highest of 15
Peaks and hills nearest, by height
- Red Hill631 ft
- Onion Hill560 ft
- Indian Mound520 ft
- Turkey Point500 ft
- Indian Point490 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; NOAA NGS survey heights. All public domain.