51103   Zip Code Sioux City Woodbury IA United States

City Sioux City
County Woodbury
State Iowa
Latitude 42.52173
Longitude -96.44642
Population 16,895
Density 1400.78 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: $58,197
Median individual: $31,406

Race

Mode: 56.3% White

Gender

 50.6% female 

Rent

  $906 / month  

Median house value: $139,168.0

Age

Median: 35.5 years old

Education

With at least college degree: 18.0%
With STEM degree: 31.0%

Marital Status

 36.9% married 

Never married: 42.8%

Labor Force Participation

 64.6% working 

Unemployed: 3.4%

Average Family Size

 3.23 people 

Commute Time

 21.1 minutes 

Health Care

 11.4% uninsured 

Poverty

 21.0%

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

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