51104   Zip Code Sioux City Woodbury IA United States

City Sioux City
County Woodbury
State Iowa
Latitude 42.53518
Longitude -96.40389
Population 23,197
Density 3103.89 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: $75,362
Median individual: $41,103

Race

Mode: 66.1% White

Gender

 51.2% female 

Rent

  $998 / month  

Median house value: $210,299.0

Age

Median: 37.5 years old

Education

With at least college degree: 28.9%
With STEM degree: 31.9%

Marital Status

 45.2% married 

Never married: 38.7%

Labor Force Participation

 69.6% working 

Unemployed: 4.6%

Average Family Size

 3.04 people 

Commute Time

 18.5 minutes 

Health Care

 8.7% uninsured 

Poverty

 10.4%

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

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