ZIP CodeStandard
51104
Sioux City, IA
ZIP Code 51104 in Sioux City, IA has a population of 23,080 and a median household income of $75,362. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
23,080
People
Median age
37.5
Housing
Total households
8,729
Income
Median household income
$75,362
Housing
Total housing units
9,118
Employment
Employment rate
66.3%
Education
Bachelor’s degree or higher
28.9%
Healthcare
Insured population
91.3%
Nearby ZIP codes
ZIP codes near 51104.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS