ZIP Code + Census Data = ZIP Code Demographics 

In 1943, the United States Postal Service created a system of postal codes to identify large cities in the U.S. The postal code was later given the name "ZIP Code" (acronym for Zone Improvement Plan) and expanded to include all postal delivery areas in the country. By combining ZIP codes with statistical data from the U.S. Census Bureau, one can get a picture of the types of people living in a neighborhood.

ZIP Code Demographics Lookup 

Online tools such as free ZIP code demographics provider ZipWho.com allow users to search for ZIP codes that match user-specified criteria. Such tools are useful for marketing and real estate research.

Favorite ZipWho.com Searches 

Wealthiest 1%

Neighborhoods with the highest median household income.

Least Educated 1%

Neighborhoods with the lowest percentage of college graduates.

Young, Single, and Loaded

Neighborhoods with significant young, single, and wealthy residents.

Online Resources 

U.S. Census Bureau

The United States Census Bureau's official site.

USPS ZIP Code Lookup

United States Postal Service address search.

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