Sioux City, IA 51104 ZIP Code Profile

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Sioux City, IA

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ZIP Code 51104: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sioux City, IA 51104

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 342
  • Single Family Addresses: 7,211
  • Multi-Family Addresses: 1,694
  • County: Woodbury County
  • Centroid: Latitude 42.522, Longitude -96.384
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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Sioux City, IA 51104 Data & Demographics (As of July 1, 2016)


Total Population 21,979
Population in Households 21,751
Population in Familes 17,137
Population in Group Qrtrs 228
Population Density1 2,901
Diversity Index2 53


Total Households 8,668
Average Household Size 2.51
Family Households 5,467
Average Family Size 3


Total Housing Units 9,226 (100%)
Owner Occupied HU 5,498 (59.6%)
Renter Occupied HU 3,170 (34.4%)
Vacant Housing Units 558 ( 6.0%)
Median Home Value $126,884
Average Home Value $155,698


Median Household Income $55,291
Average Household Income $73,767
Per Capita Income $29,245
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.06% 0.1%
Households -0.04% 0.03%
Families -0.24% -0.09%
Median Household Income   1.93%
Per Capita Income   1.66%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Sioux City, IA 51104 - Peer Comparisons by Rank and Percentile

The table below compares 51104 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 36 96th
Population Density1 # 14 99th
Diversity Index2 # 19 98th
Median Household Income # 373 61st
Per Capita Income # 332 66th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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