Alton, IN Elevation & Topographic Map
Elevation
440 ft 135 m430 ft 130 m420 ft 130 m410 ft 125 m400 ft 120 m390 ft 120 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.
- Town area
- Fades everything outside the official town limits (US Census).
Elevation Data
Alton sits at about 410 ft (125 m) above sea level, the median height of all land inside town limits (too few residents to weight by).
Typical elevation (all land)
410 ft 125 m
few residents
Lowest
390 ft 120 m
on the southwest side
Highest
440 ft 135 m
near the middle
Average
410 ft 125 m
all land inside town limits
Alton 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 (all land) Median of all land; too few residents to weight by | 410 ft125 m |
| Highest point Inside town limits, near the middle | 440 ft135 m |
| Lowest point Inside town limits, on the southwest side | 390 ft120 m |
| Town center USGS map point for Alton | 430 ft130 m |
| Average of all land | 410 ft125 m |
Elevation profile, south to north
0.5 mi south to north through the town center.
Topographic Map
- Location
- Town in Crawford County, Indiana, United States
- Population
- 30 2024 est.
- Land area
- 0.2 sq mi
- Density
- 174 per sq mi
- Coordinates
- 38.1226° N, 86.4178° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Interior Low Plateaus
- Drains to
- Ohio River → Mississippi River → Gulf of America
- ZIP codes 1
- 47137
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Oil Township720 ft
- Leopold710 ft
- Jennings Township, Crawford County700 ft
- Leopold Township670 ft
- Leavenworth650 ft
- Ohio Township, Crawford County650 ft
- Union Township, Crawford County620 ft
- Union Township, Perry County590 ft
- Boone Township, Crawford County450 ft
- New Amsterdam430 ft
- Alton410 ft
Rankings by typical elevation
- Towns in Indiana1,953rd highest of 1,977
- Towns in Crawford Countylowest of 17
Peaks and hills nearest, by height
- Shireman Hill840 ft
- Scott Hill820 ft
- Greenbrier Knob810 ft
- Seton Knob810 ft
- Glenn Hill560 ft
How we measure
- Typical elevation: the median height of all land inside the town limits; too few residents live here to weight by people.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census town 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.