51109   Zip Code Sioux City Plymouth IA United States

City Sioux City
County Plymouth
State Iowa
Latitude 42.59873
Longitude -96.47804
Population 3,731
Density 211.92 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

< 5K> $150K05101520

Median household: $70,750
Median individual: $40,129

Race

WhiteMultipleOther

Mode: 81.4% White

Gender

 50.7% female 

Rent

  $916 / month  

Median house value: $121,523.0

Age

0%1%2%3%4%5%6%7%8%9%10%11%12%13%14%15%10-1930s50s70s

Median: 41.2 years old

Education

< High SchoolHigh SchoolSome CollegeBachelorsGrad School

With at least college degree: 3.0%
With STEM degree: 27.8%

Marital Status

 42.0% married 

Never married: 35.3%

Labor Force Participation

 69.8% working 

Unemployed: 2.4%

Average Family Size

 3.21 people 

Commute Time

 15.6 minutes 

Health Care

 5.9% uninsured 

Poverty

 15.2%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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