Lyon County, KS Elevation & Topographic Map

Topographic elevation map of Lyon County, Kansas, shaded from 1,040 ft on the northeast side to 1,530 ft on the north side
Elevation
1,530 ft 465 m1,410 ft 430 m1,350 ft 410 m1,230 ft 375 m1,100 ft 335 m1,040 ft 320 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

Lyon County averages about 1,210 ft (370 m) above sea level across all its land. Its ground runs from 1,040 ft on the northeast side to 1,530 ft on the north side.

Average elevation
1,210 ft 370 m
all land inside the county
Highest
1,530 ft 465 m
on the north side
Lowest
1,040 ft 320 m
on the northeast side

Lyon County spans about 490 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 land1,210 ft370 m
Highest point
Inside the county, on the north side
1,530 ft465 m
Lowest point
Inside the county, on the northeast side
1,040 ft320 m

Elevation profile, south to north

39 mi south to north through Emporia.

Topographic Map

Topographic elevation map of Lyon County, Kansas, shaded from 1,040 ft on the northeast side to 1,530 ft on the north side
County boundary (dashed) over shaded terrain, with contours every 40 ft (12 m).
Location
County in Kansas, United States
Population
32,520 2024 est.
Land area
847.5 sq mi + 7.9 sq mi water
Density
38 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. Morris County1,400 ft
  2. Chase County1,370 ft
  3. Wabaunsee County1,250 ft
  4. Lyon County1,210 ft
  5. Greenwood County1,180 ft
  6. Coffey County1,100 ft
  7. Osage County1,090 ft

Rankings by average elevation

  • Counties in Kansas76th highest of 104
  • Counties in the United States1,109th highest of 3,151
All 20 towns in Lyon County by typical elevation
  1. Bushong1,380 ft
  2. Agnes City Township1,330 ft
  3. Allen1,320 ft
  4. Admire1,230 ft
  5. Ivy Township1,230 ft
  6. Center Township, Lyon County1,210 ft
  7. Waterloo Township1,210 ft
  8. Olpe1,200 ft
  9. Fremont Township1,170 ft
  10. Pike Township1,160 ft
  11. Americus Township1,160 ft
  12. Americus1,160 ft
  13. Emporia1,150 ft
  14. Jackson Township1,130 ft
  15. Emporia Township1,120 ft
  16. Reading Township1,100 ft
  17. Reading1,090 ft
  18. Neosho Rapids1,090 ft
  19. Elmendaro Township1,090 ft
  20. Hartford1,080 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.