ZIP CodeStandard
50440
Grafton, IA
ZIP Code 50440 in Grafton, IA has a population of 373 and a median household income of $76,429. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
373
People
Median age
56.2
Housing
Total households
186
Income
Median household income
$76,429
Housing
Total housing units
208
Employment
Employment rate
68%
Education
Bachelor’s degree or higher
16.3%
Healthcare
Insured population
95.3%
Nearby ZIP codes
ZIP codes near 50440.
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