Sioux City, IA 51108 ZIP Code Profile

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Sioux City, IA

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ZIP Code 51108: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sioux City, IA 51108

Not Acceptable, USPS
James, IA 51108

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 116
  • Single Family Addresses: 1,928
  • Multi-Family Addresses: 366
  • County: Woodbury County
  • Centroid: Latitude 42.551, Longitude -96.39
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51108 has segments in 2 Counties (Plymouth, Woodbury).

Neighborhood Data

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Sioux City, IA 51108 Data & Demographics (As of July 1, 2016)


Total Population 5,523
Population in Households 5,504
Population in Familes 4,538
Population in Group Qrtrs 19
Population Density1 128
Diversity Index2 28


Total Households 2,140
Average Household Size 2.57
Family Households 1,484
Average Family Size 3


Total Housing Units 2,263 (100%)
Owner Occupied HU 1,678 (74.1%)
Renter Occupied HU 462 (20.4%)
Vacant Housing Units 123 ( 5.4%)
Median Home Value $123,894
Average Home Value $179,976


Median Household Income $52,698
Average Household Income $69,730
Per Capita Income $27,069
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.25% 0.25%
Households 0.19% 0.21%
Families 0.12% 0.17%
Median Household Income   2.13%
Per Capita Income   1.95%
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 51108 - Peer Comparisons by Rank and Percentile

The table below compares 51108 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 # 135 86th
Population Density1 # 191 80th
Diversity Index2 # 94 90th
Median Household Income # 502 48th
Per Capita Income # 528 45th

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

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