1940 U.S. Census will be released online on April 2, 2012

The 1940 United States Census will be released online on April 2, 2012 at 9:00 a.m. EST.
Bookmark this link for access - 1940census.archives.gov

This is where you will be able to access the digitized census records starting on April 2. The digital images will be accessible free of charge at NARA facilities nationwide through our public access computers as well as on personal computers via the internet.

The National Archives has some great information about the census and how to use it.

Part 1: General Information
FAQs about the 1940 Census
1940 Census Forms
Questions Asked on the 1940 Census
Selected List of Codes
1940 Census Lectures by NARA staff nationwide
Part 2: How to Start Your 1940 Census Research
Part 3: Finding Aids
Geographic Descriptions of Census Enumeration Districts
Enumeration District Maps
Abridged Instructions to the Enumerator
Complete Instructions to the Enumerator (7.87 MB)
Occupation and Industry Classifications(12.1 MB)
1940 City Directories at NARA
Find Census Enumeration District Numbers using Stephen P. Morse's Search Engines
Part 4: Videos
Part 5: Articles and Online Data
Part 6: Information for Libraries, Genealogical Organizations, and other Organizations
For more information, contact us at 1940Census@nara.gov