🇺🇸 United States ZIP Code

STANDARD

68776

South Sioux City

ZIP Code 68776 is a standard zip code serving South Sioux City, South Sioux City, Nebraska (NE), in Dakota County, United States. It has an estimated population of 15,447 with a median household income of $43,227. The area falls within the America/Chicago timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Nebraska (NE)
County: Dakota
City: South Sioux City
Timezone: America/Chicago

Coordinates

Latitude: 42.465600
Longitude: -96.418200

Geographic Details

Land Area: 20.74 mi²
Water Area: 0.99 mi²
Population Density: 745.0 people per mi² (75th percentile)
Bounding Box: 42.490630°N, 42.422494°S, -96.380105°E, -96.525240°W

With 15,447 residents spread across 20.74 square miles, this area has a population density of 745.0 people per square mile.

Demographics

15,447

Population

75th percentile

$43,227

Median Income

35th percentile

$99,400

Median Home Value

35th percentile

20.74 mi²

Land Area

The median household income in 68776 is $43,227, and the median home value is $99,400.

Housing

5,493

Total Units

5,206

Occupied Units

94.8%

Occupancy Rate

Similar ZIP Codes in Nebraska

ZIP codes with similar median household income in Nebraska.

69358

Morrill

$41,781

68421

Peru

$40,417

68510

Lincoln

$40,501

68763

Oneill

$42,270

68769

Plainview

$39,911

68930

Blue Hill

$44,643

68132

Omaha

$45,321

68467

York

$47,989

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.