ZIP CodeStandard
51111
Sioux City, IA
ZIP Code 51111 covers Sioux City, Iowa. Browse Census demographics: population, median income, housing units, educational attainment, and health coverage.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
97
People
Median age
26.4
Housing
Total households
27
Income
Median household income
—
Housing
Total housing units
27
Employment
Employment rate
100%
Education
Bachelor’s degree or higher
—
Healthcare
Insured population
30.8%
Nearby ZIP codes
ZIP codes near 51111.
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