Sioux City, IA 51111 ZIP Code Profile

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Sioux City, IA

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ZIP Code 51111: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sioux City, IA 51111

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 99
  • Single Family Addresses: 47
  • Multi-Family Addresses: 0
  • County: Woodbury County
  • Centroid: Latitude 42.426, Longitude -96.375
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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Sioux City, IA 51111 Data & Demographics (As of July 1, 2017)


Total Population 96
Daytime Population: Workers 3,089
Daytime Population: Residents 21
Total Daytime Population (TDP) 3,110
Ratio TDP/Total Population1 32.40
Population in Households 96
Population in Familes 69
Population in Group Qrtrs 0
Population Density2 17
Diversity Index3 36


Median Household Income $58,664
Average Household Income $71,656
Per Capita Income $33,589


Total Housing Units 56 (100%)
Owner Occupied HU 11 (19.6%)
Renter Occupied HU 34 (60.7%)
Vacant Housing Units 11 (19.6%)
Median Home Value $112,500
Average Home Value $234,091


Total Households 45
Average Household Size 2.13
Family Households 25
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 0.29% 0.21%
Households 0.31% 0.0%
Families 0.56% 0.79%
Median Household Income   -0.37%
Per Capita Income   1.07%

Sioux City, IA 51111 - Peer Comparisons by Rank and Percentile

The table below compares 51111 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 # 917 5th
Population Density # 600 38th
Diversity Index # 68 93rd
Median Household Income # 275 71st
Per Capita Income # 116 88th

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

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