Johnston County, OK Elevation & Topographic Map

Topographic elevation map of Johnston County, Oklahoma, shaded from 580 ft on the east side to 1,250 ft on the northwest side
Elevation
1,250 ft 380 m1,080 ft 330 m1,000 ft 305 m830 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

Johnston County averages about 850 ft (260 m) above sea level across all its land. Its ground runs from 580 ft on the east side to 1,250 ft on the northwest side.

Average elevation
850 ft 260 m
all land inside the county
Highest
1,250 ft 380 m
on the northwest side
Lowest
580 ft 175 m
on the east side

Johnston County spans about 670 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 land850 ft260 m
Highest point
Inside the county, on the northwest side
1,250 ft380 m
Lowest point
Inside the county, on the east side
580 ft175 m

Elevation profile, south to north

23 mi south to north through Tishomingo.

Topographic Map

Topographic elevation map of Johnston County, Oklahoma, shaded from 580 ft on the east side to 1,250 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
10,293 2024 est.
Land area
643.1 sq mi + 15.3 sq mi water
Density
16 per sq mi
Time zone
Central UTC−6 / −5
Landform regions
Central Lowland 66%, Coastal Plain 34%
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. Murray County1,050 ft
  2. Pontotoc County970 ft
  3. Carter County910 ft
  4. Johnston County850 ft
  5. Marshall County760 ft
  6. Coal County680 ft
  7. Atoka County660 ft
  8. Bryan County610 ft

Rankings by average elevation

Peaks and hills highest inside

  • Lookout Mountain, Johnston County1,090 ft
  • Teller Mountain850 ft
All 14 towns in Johnston County by typical elevation
  1. Mill Creek1,040 ft
  2. Pontotoc1,020 ft
  3. Connerville1,010 ft
  4. Reagan910 ft
  5. Emet810 ft
  6. Coleman760 ft
  7. Mannsville750 ft
  8. Ravia750 ft
  9. Earl730 ft
  10. Milburn710 ft
  11. Bromide700 ft
  12. Tishomingo700 ft
  13. Bee690 ft
  14. Wapanucka630 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, 580 ft at 34.3996° N, 96.4101° 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.