Sioux City, IA Elevation & Topographic Map

Topographic elevation map of Sioux City, Iowa, shaded from 1,070 ft on the south side to 1,440 ft on the northwest side
Elevation
1,440 ft 440 m1,350 ft 410 m1,300 ft 395 m1,210 ft 370 m1,110 ft 340 m1,070 ft 325 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.
City area
Fades everything outside the official city limits (US Census).

Elevation Data

Sioux City sits at about 1,210 ft (370 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
1,210 ft 370 m
most residents: 1,120–1,270 ft
Lowest
1,070 ft 325 m
on the south side
Highest
1,440 ft 440 m
on the northwest side
Average
1,190 ft 365 m
all land inside city limits

Sioux City spans about 370 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.

FigureElevation
Typical
Where people live: half of residents higher, half lower
1,210 ft370 m
Highest point
Inside city limits, on the northwest side
1,440 ft440 m
Lowest point
Inside city limits, on the south side
1,070 ft325 m
Town center
USGS map point for Sioux City
1,200 ft365 m
Airport (SUX)
FAA airport elevation, the highest point of its runways
1,099 ft335 m
Average of all land1,190 ft365 m

Elevation profile, south to north

12 mi south to north through the town center.

Topographic Map

Topographic elevation map of Sioux City, Iowa, shaded from 1,070 ft on the south side to 1,440 ft on the northwest side
City limits (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
City in Woodbury and Plymouth counties, Iowa, United States
Population
86,875 2024 est.
Land area
59.4 sq mi + 1.2 sq mi water
Density
1,463 per sq mi
Coordinates
42.5000° N, 96.4003° W
Time zone
Central UTC−6 / −5
Landform region
Central Lowland
Drains to
Missouri River → Mississippi River → Gulf of America
Airport
Sioux Gateway/Brig General Bud Day Field (SUX) 1,099 ft
ZIP codes 9
51054 51101 51103 51104 51105 51106 51108 51109 51111
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Sources: U.S. Census Bureau, USGS, FAA

Nearby Places

Nearby towns by typical elevation

  1. Sioux City1,210 ft
  2. Hinton1,170 ft
  3. Jackson, NE1,120 ft
  4. Jefferson, SD1,110 ft
  5. Jefferson Township, SD1,110 ft
  6. North Sioux City, SD1,110 ft
  7. South Sioux City, NE1,100 ft
  8. Dakota City, NE1,100 ft
  9. Big Sioux Township, SD1,090 ft
  10. Dakota Dunes, SD1,090 ft
  11. Sergeant Bluff1,090 ft

Rankings by typical elevation

Peaks and hills nearest, by height

  • Mount Lucia1,410 ft
  • Dakota Point1,350 ft
How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the city limits, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
  • Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census city limits (TIGER, Jan 1 2026).
  • Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) 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).
  • 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 (FAA airport elevation, 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 (boundaries, 2020 blocks, 2024 population estimates, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones. All public domain.