Washington County, OH Elevation & Topographic Map

Topographic elevation map of Washington County, Ohio, shaded from 580 ft on the southwest side to 1,220 ft on the northeast side
Elevation
1,220 ft 370 m1,060 ft 320 m980 ft 300 m820 ft 250 m660 ft 200 m580 ft 175 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

Washington County averages about 820 ft (250 m) above sea level across all its land. Its ground runs from 580 ft on the southwest side to 1,220 ft on the northeast side.

Average elevation
820 ft 250 m
all land inside the county
Highest
1,220 ft 370 m
on the northeast side
Lowest
580 ft 175 m
on the southwest side

Washington County spans about 640 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 land820 ft250 m
Highest point
Inside the county, on the northeast side
1,220 ft370 m
Lowest point
Inside the county, on the southwest side
580 ft175 m

Elevation profile, west to east

35 mi west to east through Marietta.

Topographic Map

Topographic elevation map of Washington County, Ohio, shaded from 580 ft on the southwest side to 1,220 ft on the northeast side
County boundary (dashed) over shaded terrain, with contours every 40 ft (12 m).
Location
County in Ohio, United States
Population
58,332 2024 est.
Land area
632.3 sq mi + 8.0 sq mi water
Density
92 per sq mi
Time zone
Eastern UTC−5 / −4
Landform region
Appalachian Plateaus
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. Monroe County1,050 ft
  2. Noble County960 ft
  3. Tyler County, WV950 ft
  4. Morgan County890 ft
  5. Pleasants County, WV880 ft
  6. Washington County820 ft
  7. Athens County810 ft
  8. Wood County, WV790 ft

Rankings by average elevation

  • Counties in Ohio64th highest of 88
  • Counties in the United States1,766th highest of 3,151

Peaks and hills highest inside

  • English Hill1,160 ft
  • Dodd Hill1,120 ft
  • Fox Point1,080 ft
  • Edwards Hill1,050 ft
  • Conus Mound885 ft
All 35 towns in Washington County by typical elevation
  1. Liberty Township, Washington County930 ft
  2. Lawrence Township, Washington County910 ft
  3. Independence Township880 ft
  4. Wesley Township860 ft
  5. Palmer Township, Washington County840 ft
  6. Ludlow Township830 ft
  7. Fairfield Township, Washington County830 ft
  8. Watertown Township820 ft
  9. Salem Township, Washington County810 ft
  10. Fearing Township810 ft
  11. Aurelius Township800 ft
  12. Decatur Township800 ft
  13. Barlow Township800 ft
  14. Warren Township, Washington County800 ft
  15. Dunham Township770 ft
  16. Newport Township770 ft
  17. Vincent770 ft
  18. Marietta Township720 ft
  19. Waterford Township700 ft
  20. Beverly700 ft
  21. Macksburg690 ft
  22. Belpre Township680 ft
  23. Muskingum Township, Washington County680 ft
  24. Lower Salem680 ft
  25. Adams Township, Washington County680 ft
  26. Devola680 ft
  27. Newport670 ft
  28. Waterford670 ft
  29. Marietta670 ft
  30. Reno650 ft
  31. Belpre640 ft
  32. Grandview Township640 ft
  33. Matamoras (New Matamoras)630 ft
  34. Little Hocking630 ft
  35. Lowell630 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.