Prairie du Rocher, IL Elevation & Topographic Map
Elevation
600 ft 185 m550 ft 165 m520 ft 160 m470 ft 140 m410 ft 125 m380 ft 115 m
Contours every 40 ft, bold every 200 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.
- Village area
- Fades everything outside the official village limits (US Census).
Elevation Data
Prairie du Rocher 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: 390–430 ft
Lowest
380 ft 115 m
on the south side
Highest
600 ft 185 m
on the north side
Average
400 ft 120 m
all land inside village limits
Prairie du Rocher spans about 220 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 village limits, on the north side | 600 ft185 m |
| Lowest point Inside village limits, on the south side | 380 ft115 m |
| Town center USGS map point for Prairie du Rocher | 390 ft120 m |
| Average of all land | 400 ft120 m |
Elevation profile, south to north
1.0 mi south to north through the town center.
Topographic Map
- Location
- Village in Randolph County, Illinois, United States
- Population
- 510 2024 est.
- Land area
- 0.6 sq mi
- Density
- 893 per sq mi
- Coordinates
- 38.0831° N, 90.0959° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Mississippi River → Gulf of America
- ZIP codes 1
- 62277
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Grayhawk, MO680 ft
- Ellis Grove550 ft
- Maeystown500 ft
- Red Bud470 ft
- Bloomsdale, MO460 ft
- Ruma450 ft
- Evansville440 ft
- Ste. Genevieve, MO430 ft
- Fults390 ft
- Prairie du Rocher390 ft
- Kaskaskia370 ft
Rankings by typical elevation
- Towns in Illinois2,819th highest of 2,872
- Towns in Randolph County12th highest of 14
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the village limits, 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 village limits (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, ZIP code areas); BTS time zones. All public domain.