Sioux City, IA 51101 ZIP Code Profile

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Sioux City, IA

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ZIP Code 51101: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sioux City, IA 51101

Not Acceptable, USPS
Wickham Spur, IA 51101

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 760
  • Single Family Addresses: 118
  • Multi-Family Addresses: 470
  • County: Woodbury County
  • Centroid: Latitude 42.494, Longitude -96.395
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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51101 ZIP Code Map

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Sioux City, IA 51101 Data & Demographics (As of July 1, 2017)


Total Population 918
Daytime Population: Workers 10,723
Daytime Population: Residents 531
Total Daytime Population (TDP) 11,254
Ratio TDP/Total Population1 12.26
Population in Households 813
Population in Familes 391
Population in Group Qrtrs 105
Population Density2 712
Diversity Index3 80


Median Household Income $22,434
Average Household Income $29,347
Per Capita Income $18,454


Total Housing Units 587 (100%)
Owner Occupied HU 32 ( 5.5%)
Renter Occupied HU 517 (88.1%)
Vacant Housing Units 38 ( 6.5%)
Median Home Value $76,471
Average Home Value $144,531


Total Households 549
Average Household Size 1.48
Family Households 144
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 0.92% 0.73%
Households 1.35% 0.96%
Families 1.1% 0.68%
Median Household Income   -0.08%
Per Capita Income   1.42%

Sioux City, IA 51101 - Peer Comparisons by Rank and Percentile

The table below compares 51101 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 # 507 47th
Population Density # 84 91st
Diversity Index # 3 100th
Median Household Income # 954 1st
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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