Altamont, IL Elevation & Topographic Map

Elevation
640 ft 195 m630 ft 190 m620 ft 190 m610 ft 185 m590 ft 180 m590 ft 180 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.
- City area
- Fades everything outside the official city limits (US Census).
Elevation Data
Altamont sits at about 620 ft (190 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
620 ft 190 m
most residents: 610–620 ft
Lowest
590 ft 180 m
on the south side
Highest
640 ft 195 m
on the south side
Average
620 ft 190 m
all land inside city limits
Altamont spans about 50 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 | 620 ft190 m |
| Highest point Inside city limits, on the south side | 640 ft195 m |
| Lowest point Inside city limits, on the south side | 590 ft180 m |
| Town center USGS map point for Altamont | 620 ft190 m |
| Average of all land | 620 ft190 m |
Topographic Map
- Location
- City in Effingham County, Illinois, United States
- Population
- 2,200 2024 est.
- Land area
- 1.5 sq mi
- Density
- 1,431 per sq mi
- Coordinates
- 39.0620° N, 88.7481° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Little Wabash River → Ohio River → Mississippi River → Gulf of America
- ZIP codes 1
- 62411
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Altamont620 ft
- Moccasin Township620 ft
- Mound Township620 ft
- St. Elmo620 ft
- Avena Township610 ft
- Beecher City610 ft
- Liberty Township, Effingham County610 ft
- Summit Township600 ft
- Loudon Township590 ft
- West Township580 ft
- Jackson Township, Effingham County570 ft
Rankings by typical elevation
- Towns in Illinois1,784th highest of 2,872
- Towns in Effingham County3rd highest of 25
Peaks and hills nearest, by height
- Dean Hills698 ft
- Bowling Green Hill670 ft
- Island Hill, Fayette County570 ft
- White Oak Mound510 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the city 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 city 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; NOAA NGS survey heights. All public domain.