Sioux City, IA 51103 ZIP Code Profile

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Sioux City, IA

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ZIP Code 51103: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sioux City, IA 51103

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 343
  • Single Family Addresses: 5,744
  • Multi-Family Addresses: 464
  • County: Woodbury County
  • Centroid: Latitude 42.507, Longitude -96.433
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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Sioux City, IA 51103 Data & Demographics (As of July 1, 2016)


Total Population 17,965
Population in Households 17,005
Population in Familes 13,664
Population in Group Qrtrs 960
Population Density1 1,482
Diversity Index2 71


Total Households 5,976
Average Household Size 2.85
Family Households 4,025
Average Family Size 3


Total Housing Units 6,427 (100%)
Owner Occupied HU 3,664 (57.0%)
Renter Occupied HU 2,312 (36.0%)
Vacant Housing Units 451 ( 7.0%)
Median Home Value $80,123
Average Home Value $100,055


Median Household Income $41,934
Average Household Income $51,811
Per Capita Income $18,016
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.16% 0.16%
Households 0.05% 0.11%
Families -0.09% 0.02%
Median Household Income   0.07%
Per Capita Income   1.14%
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 51103 - Peer Comparisons by Rank and Percentile

The table below compares 51103 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 # 47 95th
Population Density1 # 45 95th
Diversity Index2 # 8 99th
Median Household Income # 883 8th
Per Capita Income # 944 2nd

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

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