51105   Zip Code Sioux City Woodbury IA United States

City Sioux City
County Woodbury
State Iowa
Latitude 42.50808
Longitude -96.3671
Population 10,415
Density 1750.26 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $51,786
Median individual: $31,899

Race

Mode: 49.0% White

Gender

 53.9% male 

Rent

  $859 / month  

Median house value: $96,007.0

Age

Median: 29.6 years old

Education

With at least college degree: 7.8%
With STEM degree: 44.7%

Marital Status

 38.3% married 

Never married: 44.9%

Labor Force Participation

 72.5% working 

Unemployed: 6.2%

Average Family Size

 3.59 people 

Commute Time

 16.9 minutes 

Health Care

 12.1% uninsured 

Poverty

 21.6%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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