Fayette County, IL Elevation & Topographic Map

Topographic elevation map of Fayette County, Illinois, shaded from 440 ft on the southwest side to 720 ft on the northwest side
Elevation
720 ft 220 m650 ft 195 m610 ft 185 m550 ft 165 m480 ft 145 m440 ft 135 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

Fayette County averages about 550 ft (170 m) above sea level across all its land. Its ground runs from 440 ft on the southwest side to 720 ft on the northwest side.

Average elevation
550 ft 170 m
all land inside the county
Highest
720 ft 220 m
on the northwest side
Lowest
440 ft 135 m
on the southwest side

Fayette County spans about 280 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 land550 ft170 m
Highest point
Inside the county, on the northwest side
720 ft220 m
Lowest point
Inside the county, on the southwest side
440 ft135 m

Elevation profile, south to north

27 mi south to north through Vandalia.

Topographic Map

Topographic elevation map of Fayette County, Illinois, shaded from 440 ft on the southwest side to 720 ft on the northwest side
County boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
County in Illinois, United States
Population
21,157 2024 est.
Land area
716.5 sq mi + 8.8 sq mi water
Density
30 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

  1. Shelby County640 ft
  2. Montgomery County640 ft
  3. Effingham County580 ft
  4. Fayette County550 ft
  5. Bond County540 ft
  6. Marion County530 ft
  7. Clay County490 ft
  8. Clinton County450 ft

Rankings by average elevation

Peaks and hills highest inside

  • Dean Hills698 ft
  • Bridges Knob690 ft
  • Bowling Green Hill670 ft
  • The Mound, Fayette County570 ft
  • Island Hill, Fayette County570 ft
All 28 towns in Fayette County by typical elevation
  1. Hurricane Township640 ft
  2. St. Elmo620 ft
  3. Avena Township610 ft
  4. Ramsey610 ft
  5. Ramsey Township610 ft
  6. Wheatland Township, Fayette County600 ft
  7. South Hurricane Township600 ft
  8. Bingham600 ft
  9. Loudon Township590 ft
  10. St. Peter590 ft
  11. Brownstown590 ft
  12. Lone Grove Township590 ft
  13. Otego Township580 ft
  14. Carson Township580 ft
  15. Farina580 ft
  16. La Clede Township570 ft
  17. La Clede570 ft
  18. Bowling Green Township570 ft
  19. Shafter Township570 ft
  20. Wilberton Township560 ft
  21. Sefton Township550 ft
  22. Bear Grove Township530 ft
  23. Vandalia Township520 ft
  24. Vandalia520 ft
  25. Sharon Township520 ft
  26. Kaskaskia Township510 ft
  27. Seminary Township500 ft
  28. Pope Township480 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.