St. Clair County, MO Elevation & Topographic Map
Elevation
1,070 ft 325 m970 ft 295 m920 ft 280 m810 ft 250 m710 ft 215 m660 ft 200 m
Contours every 500 ft, bold every 2,500 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.
- County area
- Fades everything outside the official county boundary (US Census).
Elevation Data
St. Clair County averages about 830 ft (255 m) above sea level across all its land. Its ground runs from 660 ft on the southwest side to 1,070 ft on the southeast side.
Average elevation
830 ft 255 m
all land inside the county
Highest
1,070 ft 325 m
on the southeast side
Lowest
660 ft 200 m
on the southwest side
St. Clair County spans about 410 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Average of all land | 830 ft255 m |
| Highest point Inside the county, on the southeast side | 1,070 ft325 m |
| Lowest point Inside the county, on the southwest side | 660 ft200 m |
Elevation profile, south to north
22 mi south to north through Appleton City.
Topographic Map
- Location
- County in Missouri, United States
- Population
- 9,848 2024 est.
- Land area
- 675.0 sq mi + 27.1 sq mi water
- Density
- 15 per sq mi
- Time zone
- Central UTC−6 / −5
- Landform regions
- Ozark Plateaus 51%, Central Lowland 49%
- Drains to
- Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Polk County1,050 ft
- Hickory County950 ft
- Cedar County910 ft
- Benton County870 ft
- Bates County840 ft
- St. Clair County830 ft
- Vernon County830 ft
- Henry County800 ft
Rankings by average elevation
- Counties in Missouri61st highest of 114
- Counties in the United States1,755th highest of 3,151
Peaks and hills highest inside
- Eby Hill970 ft
- Spangler Hill960 ft
- Lone Rock, St. Clair County950 ft
- Marland Hill940 ft
- Clubhouse Hill930 ft
All 7 towns in St. Clair County by typical elevation
- Collins910 ft
- Lowry City870 ft
- Vista860 ft
- Appleton City860 ft
- Gerster810 ft
- Osceola780 ft
- Roscoe770 ft
How we measure
- Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 1 arc-second (≈100 ft, 30 m) grid. Land means the boundary minus Census area water.
- Highest and lowest: the highest land cell. Lowest: the lowest land cell; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
- Pits: the lowest point is the lowest ground outside closed hollows (quarry floors, mine pits, terrain-model artifacts): any hollow under 0.4 sq mi (1 km²), and any hollow under 2 sq mi (5 km²) whose floor is more than 100 ft (30 m) below its rim; and outside patches below sea level of under 0.4 sq mi (1 km²). The single lowest 3DEP cell, 660 ft at 37.9054° N, 94.0504° W, is in such a hollow or patch and is not counted.
- Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it 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).
- Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
- 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 (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 (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.