St. Johns, IL Elevation & Topographic Map
Elevation
470 ft 145 m460 ft 140 m460 ft 140 m450 ft 135 m430 ft 130 m430 ft 130 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
St. Johns sits at about 460 ft (140 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
460 ft 140 m
most residents: 440–460 ft
Lowest
430 ft 130 m
on the northeast side
Highest
470 ft 145 m
on the northwest side
Average
460 ft 140 m
all land inside village limits
St. Johns spans about 40 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 | 460 ft140 m |
| Highest point Inside village limits, on the northwest side | 470 ft145 m |
| Lowest point Inside village limits, on the northeast side | 430 ft130 m |
| Town center USGS map point for St. Johns | 460 ft140 m |
| Airport (PJY) FAA airport elevation, the highest point of its runways, 6.9 mi southwest of the village limits | 400 ft122 m |
| Average of all land | 460 ft140 m |
Topographic Map
- Location
- Village in Perry County, Illinois, United States
- Population
- 157 2024 est.
- Land area
- 0.7 sq mi
- Density
- 217 per sq mi
- Coordinates
- 38.0309° N, 89.2409° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Big Muddy River → Mississippi River → Gulf of America
- Airport
- Pinckneyville/Du Quoin (PJY) 400 ft
- ZIP codes 1
- 62832
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Tamaroa500 ft
- St. Johns460 ft
- North City460 ft
- Du Quoin450 ft
- Pinckneyville450 ft
- Mulkeytown440 ft
- Tyrone Township440 ft
- Dowell400 ft
- Elk Township400 ft
- Elkville400 ft
- Vergennes Township400 ft
Rankings by typical elevation
- Towns in Illinois2,586th highest of 2,872
- Towns in Perry County4th highest of 6
Peaks and hills nearest, by height
- Grammer Hill570 ft
- Moores Hill540 ft
- Turkey Knob490 ft
- Browning Hill450 ft
- Dutch Hill, Jackson County440 ft
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); FAA airport data; BTS time zones. All public domain.