ZIP CodeStandard
51003
Alton, IA
ZIP Code 51003 in Alton, IA has a population of 1,719 and a median household income of $101,250. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
1,719
People
Median age
37.1
Housing
Total households
730
Income
Median household income
$101,250
Housing
Total housing units
788
Employment
Employment rate
77.9%
Education
Bachelor’s degree or higher
29.2%
Healthcare
Insured population
98.9%
Nearby ZIP codes
ZIP codes near 51003.
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