Bryan County, OK Elevation & Topographic Map

Topographic elevation map of Bryan County, Oklahoma, shaded from 410 ft on the east side to 870 ft on the northwest side
Elevation
880 ft 265 m760 ft 230 m700 ft 215 m590 ft 180 m470 ft 145 m410 ft 125 m
Contours every 500 ft, bold every 2,500 ft
USGS 3DEP · U.S. Census Bureau
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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

Bryan County averages about 610 ft (185 m) above sea level across all its land. Its ground runs from 410 ft on the east side to 870 ft on the northwest side.

Average elevation
610 ft 185 m
all land inside the county
Highest
870 ft 265 m
on the northwest side
Lowest
410 ft 125 m
on the east side

Bryan County spans about 460 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.

FigureElevation
Average of all land610 ft185 m
Highest point
Inside the county, on the northwest side
870 ft265 m
Lowest point
Inside the county, on the east side
410 ft125 m

Elevation profile, west to east

39 mi west to east through Durant.

Topographic Map

Topographic elevation map of Bryan County, Oklahoma, shaded from 410 ft on the east side to 870 ft on the northwest side
County boundary (dashed) over shaded terrain, with contours every 40 ft (12 m).
Location
County in Oklahoma, United States
Population
50,305 2024 est.
Land area
904.3 sq mi + 39.3 sq mi water
Density
56 per sq mi
Time zone
Central UTC−6 / −5
Landform region
Coastal Plain
Drains to
Gulf of America
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Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Johnston County850 ft
  2. Marshall County760 ft
  3. Grayson County, TX720 ft
  4. Atoka County660 ft
  5. Bryan County610 ft
  6. Fannin County, TX600 ft
  7. Choctaw County500 ft
  8. Lamar County, TX500 ft

Rankings by average elevation

Peaks and hills highest inside

  • Caddo Hills810 ft
  • Sugarloaf Mountain, Bryan County770 ft
  • Timber Hill, Bryan County760 ft
  • Buffalo Hill730 ft
  • Tenmile Hill670 ft
All 19 towns in Bryan County by typical elevation
  1. Silo790 ft
  2. Mead740 ft
  3. Caddo720 ft
  4. Calera700 ft
  5. Achille670 ft
  6. Kenefic670 ft
  7. Cartwright670 ft
  8. Durant670 ft
  9. Platter660 ft
  10. Colbert660 ft
  11. Sand Point660 ft
  12. Bokchito630 ft
  13. Kemp620 ft
  14. Bennington610 ft
  15. Armstrong590 ft
  16. Albany590 ft
  17. Utica590 ft
  18. Hendrix590 ft
  19. Blue570 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.
  • 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.