Clay County, TX Elevation & Topographic Map
Elevation
1,200 ft 365 m1,100 ft 335 m1,050 ft 320 m940 ft 285 m840 ft 255 m780 ft 240 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
Clay County averages about 960 ft (295 m) above sea level across all its land. Its ground runs from 780 ft on the northeast side to 1,200 ft on the south side.
Average elevation
960 ft 295 m
all land inside the county
Highest
1,200 ft 365 m
on the south side
Lowest
780 ft 240 m
on the northeast side
Clay County spans about 420 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 | 960 ft295 m |
| Highest point Inside the county, on the south side | 1,200 ft365 m |
| Lowest point Inside the county, on the northeast side | 780 ft240 m |
Elevation profile, south to north
45 mi south to north through Henrietta.
Topographic Map
- Location
- County in Texas, United States
- Population
- 10,730 2024 est.
- Land area
- 1,088.8 sq mi + 28.0 sq mi water
- Density
- 9.9 per sq mi
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Jack County1,090 ft
- Archer County1,070 ft
- Wichita County1,050 ft
- Cotton County, OK1,010 ft
- Montague County970 ft
- Clay County960 ft
- Jefferson County, OK890 ft
Rankings by average elevation
- Counties in Texas129th highest of 254
- Counties in the United States1,473rd 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.