Jefferson County, KS Elevation & Topographic Map
Elevation
1,200 ft 365 m1,100 ft 335 m1,050 ft 320 m960 ft 290 m860 ft 265 m810 ft 250 m
Contours every 500 ft, bold every 2,500 ft
USGS 3DEP · U.S. Census Bureau
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
Jefferson County averages about 1,020 ft (310 m) above sea level across all its land. Its ground runs from 810 ft on the southeast side to 1,200 ft on the east side.
Average elevation
1,020 ft 310 m
all land inside the county
Highest
1,200 ft 365 m
on the east side
Lowest
810 ft 250 m
on the southeast side
Jefferson County spans about 390 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.
| Figure | Elevation |
|---|---|
| Average of all land | 1,020 ft310 m |
| Highest point Inside the county, on the east side | 1,200 ft365 m |
| Lowest point Inside the county, on the southeast side | 810 ft250 m |
Elevation profile, south to north
24 mi south to north through Rock Creek Township.
Topographic Map
- Location
- County in Kansas, United States
- Population
- 18,332 2024 est.
- Land area
- 532.6 sq mi + 24.1 sq mi water
- Density
- 34 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
- Jackson County1,120 ft
- Atchison County1,030 ft
- Jefferson County1,020 ft
- Shawnee County1,010 ft
- Douglas County970 ft
- Leavenworth County940 ft
Rankings by average elevation
- Counties in Kansas86th highest of 104
- Counties in the United States1,359th highest of 3,151
Peaks and hills highest inside
- Nolan Hill1,050 ft
All 22 towns in Jefferson County by typical elevation
- Winchester1,170 ft
- McLouth1,170 ft
- Union Township, Jefferson County1,150 ft
- Jefferson Township, Jefferson County1,150 ft
- Nortonville1,140 ft
- Norton Township1,140 ft
- Oskaloosa1,110 ft
- Oskaloosa Township1,100 ft
- Sarcoxie Township1,040 ft
- Fairview Township1,020 ft
- Rock Creek Township1,000 ft
- Rural Township990 ft
- Ozawkie Township980 ft
- Meriden980 ft
- Ozawkie980 ft
- Delaware Township960 ft
- Valley Falls960 ft
- Kaw Township930 ft
- Grantville870 ft
- Kentucky Township850 ft
- Williamstown850 ft
- Perry850 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.