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, 2017)


Total Population 18,014
Daytime Population: Workers 4,616
Daytime Population: Residents 9,929
Total Daytime Population (TDP) 14,545
Ratio TDP/Total Population1 0.81
Population in Households 17,051
Population in Familes 13,667
Population in Group Qrtrs 963
Population Density2 1,521
Diversity Index3 74


Median Household Income $42,426
Average Household Income $52,750
Per Capita Income $18,280


Total Housing Units 6,367 (100%)
Owner Occupied HU 3,664 (57.5%)
Renter Occupied HU 2,312 (36.3%)
Vacant Housing Units 391 ( 6.1%)
Median Home Value $81,143
Average Home Value $100,628


Total Households 5,976
Average Household Size 2.85
Family Households 4,011
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.2% 0.17%
Households 0.07% 0.11%
Families -0.09% 0.0%
Median Household Income   1.08%
Per Capita Income   1.81%

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, 2017 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 # 49 95th
Population Density # 38 96th
Diversity Index # 7 99th
Median Household Income # 907 6th
Per Capita Income # 946 2nd

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

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