Ozaukee County, WI Elevation & Topographic Map

Topographic elevation map of Ozaukee County, Wisconsin, shaded from 580 ft on the west side to 980 ft on the west side
Elevation
980 ft 300 m880 ft 270 m830 ft 255 m730 ft 225 m630 ft 190 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

Ozaukee County averages about 780 ft (240 m) above sea level across all its land. Its ground runs from 580 ft on the west side to 980 ft on the west side.

Average elevation
780 ft 240 m
all land inside the county
Highest
980 ft 300 m
on the west side
Lowest
580 ft 175 m
on the west side

Ozaukee County spans about 400 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 land780 ft240 m
Highest point
Inside the county, on the west side
980 ft300 m
Lowest point
Inside the county, on the west side
580 ft175 m

Elevation profile, south to north

24 mi south to north through Mequon.

Topographic Map

Topographic elevation map of Ozaukee County, Wisconsin, shaded from 580 ft on the west side to 980 ft on the west side
County boundary (dashed) over shaded terrain, with contours every 40 ft (12 m).
Location
County in Wisconsin, United States
Population
93,956 2024 est.
Land area
233.0 sq mi + 883.2 sq mi water
Density
403 per sq mi
Time zone
Central UTC−6 / −5
Landform region
Central Lowland
Drains to
Great Lakes
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Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Washington County980 ft
  2. Sheboygan County850 ft
  3. Ozaukee County780 ft
  4. Oceana County, MI760 ft
  5. Milwaukee County710 ft
  6. Muskegon County, MI670 ft

Rankings by average elevation

All 17 towns in Ozaukee County by typical elevation
  1. Newburg partly880 ft
  2. Town of Fredonia860 ft
  3. Town of Cedarburg860 ft
  4. Fredonia830 ft
  5. Waubeka830 ft
  6. Town of Saukville830 ft
  7. Cedarburg810 ft
  8. Grafton780 ft
  9. Saukville770 ft
  10. Town of Port Washington760 ft
  11. Belgium740 ft
  12. Town of Grafton730 ft
  13. Town of Belgium730 ft
  14. Port Washington710 ft
  15. Mequon690 ft
  16. Thiensville680 ft
  17. Bayside partly670 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.