Census Bureau data archive for the 2000 and 2010 decennial censuses. Follow these suggestions in searching it:
- Use the Data Sets section, rather than Basic Facts.
- When formulating a query with Detailed Tables, but sure that the "show all geographic types" box is checked. Otherwise, you will not be able to retrive data by zip code or other geographic types.
- Many of the tables are incomprehensible unless you select a table and click the "What's This" button. This is the only way to discover the Universe for the table.