McClain County, OK Elevation & Topographic Map
Elevation
1,390 ft 425 m1,270 ft 385 m1,210 ft 370 m1,090 ft 330 m970 ft 295 m910 ft 275 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
McClain County averages about 1,120 ft (340 m) above sea level across all its land. Its ground runs from 910 ft on the southeast side to 1,390 ft on the northwest side.
Average elevation
1,120 ft 340 m
all land inside the county
Highest
1,390 ft 425 m
on the northwest side
Lowest
910 ft 275 m
on the southeast side
McClain County spans about 480 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 | 1,120 ft340 m |
| Highest point Inside the county, on the northwest side | 1,390 ft425 m |
| Lowest point Inside the county, on the southeast side | 910 ft275 m |
Elevation profile, south to north
31 mi south to north through Newcastle.
Topographic Map
- Location
- County in Oklahoma, United States
- Population
- 48,434 2024 est.
- Land area
- 570.7 sq mi + 9.5 sq mi water
- Density
- 85 per sq mi
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Gulf of America
⤓ Download this map
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Canadian County1,350 ft
- Grady County1,220 ft
- Cleveland County1,140 ft
- McClain County1,120 ft
- Pottawatomie County1,010 ft
- Garvin County1,000 ft
- Pontotoc County970 ft
Rankings by average elevation
- Counties in Oklahoma30th highest of 77
- Counties in the United States1,221st highest of 3,151
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.
- 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.