South Sioux City, NE GIS Map
South Sioux City is a city in Dakota County, Nebraska, with a population of about 13,325. The map below shows its location, boundary and surrounding roads, with federal GIS layers you can turn on for the area.
- County
- Dakota County
- Population
- 13,325
- Elevation
- 1,100 ft
- Coordinates
- 42.4686, -96.4125
- ZIP code
- 68776
- Land area
- 6.7 sq mi
- Time zone
- America/Chicago
About South Sioux City, NE
South Sioux City is a city in Dakota County, Nebraska, United States. It is located immediately across the Missouri River from Sioux City, Iowa, and is part of the Sioux City metropolitan area. As of the 2020 census, the city population was 14,043, making it the 14th most populous city in Nebraska.
Source: Wikipedia (CC BY-SA 4.0)
Cities Near South Sioux City
GIS Data for South Sioux City, NE
The South Sioux City map loads live federal GIS layers in your browser, so you can check flood zones, terrain, land cover and district boundaries for any address in South Sioux City without a separate GIS login. Everything below is drawn from public U.S. government data.
Layers you can turn on
FEMA flood zones
National Flood Hazard Layer — flood insurance rate map zones.
Elevation contours and hillshade
USGS 3DEP terrain, so you can read slope and relief.
Land cover
NLCD land cover classes — forest, developed, wetland, water.
School districts
Census TIGER unified and elementary school district boundaries.
ZIP code and county boundaries
Census TIGER ZCTA and county boundary lines.
Map tools
Measure distance and area
Draw a line or polygon to get length in miles or area in acres.
Sketch and annotate
Add points, lines and shapes on top of the map.
Inspect any point
Click the map to read coordinates, elevation and the layers under your cursor.
Download the map
Save the current view as a PNG image.
South Sioux City Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
13,907
Households
4,766
Median household income
$68,223
Median age
30.5 years
Median home value
$174,700
Median gross rent
$1,127/mo
Owner-occupied homes
55.9%
Bachelor's degree or higher
15.5%
Below poverty level
12.2%
Land area
6.7 sq mi
Population density
2,069 / sq mi
County
ZIP codes in South Sioux City
South Sioux City Population Growth
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
2010 Census
13,353
April 2020 (estimates base)
14,047
July 2024 estimate
13,910
Change 2010-2020
+5.2%
Change 2020-2024
-1.0%
Photos of South Sioux City
Hover over a photo to see it larger. Tap on mobile.
Photos from Wikimedia Commons, taken in or near South Sioux City. Credits and licenses are shown in the larger view.
Soils of South Sioux City
General soil map unit at the city center: Onawa-Haynie-Albaton
Soil Properties
- Drainage class
- Poorly drained
- Hydrologic soil group
- D (very slow infiltration, high runoff)
- Available water storage (0–150 cm)
- 22.0 cm
- Typical slope
- 1%
- Flooding frequency
- Occasional
- Min. annual water table depth
- 61 cm
Soil Components
- Albaton27%
Entisols · Vertic Fluvaquents
- Onawa16%
Entisols · Aquertic Udifluvents
- Haynie13%
Entisols · Mollic Udifluvents
- Sarpy8%
Entisols · Typic Udipsamments
- Blake7%
Entisols · Aquic Udifluvents
- Modale5%
Entisols · Aquic Udifluvents
Source: USDA NRCS U.S. General Soil Map (STATSGO2). General soil map data (1:250,000 scale) is not suitable for site-specific decisions.
Climate of South Sioux City
30-year averages (1991–2020) from the Sioux City Ang, Ia weather station, elevation 1,100 ft, 5.3 miles from the city center.
Warmest month
Jul · avg high 86°F
Coldest month
Jan · avg low 9°F
Annual precipitation
30.3 in
Average Monthly Temperatures (°F)
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 35 | 47 | 61 | 72 | 82 | 86 | 83 | 77 | 64 | 47 | 34 |
| Avg low °F | 9 | 12 | 24 | 35 | 47 | 58 | 63 | 61 | 51 | 37 | 24 | 14 |
| Precip. in | 0.66 | 0.88 | 1.62 | 3.07 | 4.44 | 4.62 | 3.36 | 3.93 | 2.99 | 2.38 | 1.36 | 0.97 |
Source: NOAA NCEI U.S. Climate Normals, 1991–2020. Conditions at the station may differ from other parts of the city.
Natural Hazard Risk in South Sioux City
FEMA National Risk Index ratings for Dakota County, compared with all U.S. counties.
Overall risk
Score 36 of 100
Expected annual loss
Buildings, population & agriculture
Social vulnerability
Susceptibility to hazard impacts
Community resilience
Ability to prepare & recover
Risk by Hazard
- HailRelatively Moderate
- WildfireRelatively Low
- TornadoRelatively Moderate
- DroughtRelatively Moderate
- LandslideRelatively Low
- Ice StormRelatively Moderate
- Heat WaveRelatively Low
- Winter WeatherRelatively Low
- Strong WindRelatively Low
- Inland FloodingVery Low
- Cold WaveRelatively Low
- LightningRelatively Low
- EarthquakeVery Low
Source: FEMA National Risk Index (December 2025 release). County-level ratings are relative to other U.S. counties and are not a property-specific assessment.
South Sioux City FAQ
What county is South Sioux City in?
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South Sioux City, Nebraska is located in Dakota County.
What is the population of South Sioux City?
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South Sioux City has a population of about 13,325, making it the number 14 of the 30 Nebraska cities listed on GIS Map.
What is the elevation of South Sioux City?
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The elevation of South Sioux City is approximately 1,100 feet (335 meters) above sea level at the city center.
What ZIP codes are in South Sioux City?
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The ZIP code for South Sioux City is 68776.
What time zone is South Sioux City in?
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South Sioux City is in the Central Time zone (America/Chicago).
How far is South Sioux City from Lincoln?
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South Sioux City is about 115 miles from Lincoln, the capital of Nebraska, in a straight line.
How far is South Sioux City from Omaha?
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South Sioux City is about 87 miles from Omaha, the largest city in Nebraska listed on GIS Map, in a straight line.
What cities are near South Sioux City?
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Cities near South Sioux City include Sioux City, IA (2 miles); Le Mars, IA (26 miles); Vermillion, SD (34 miles); Wayne, NE (35 miles); Yankton, SD (57 miles).
Local notes for South Sioux City, NE
Questions and local knowledge from people who know the area. Every note is read before it appears here.