Today, I want to highlight the questions that were asked in the 1940 U.S. Census. You can see the 1940 U.S. census form at http://usa.ipums.org/usa/voliii/form1940.shtml.
The 1940 U.S. Census questions included (from http://usa.ipums.org/usa/voliii/items1940.shtml)
Schedule No. 1 - Population.
Incorporated place ________.
Ward of city _________;
Unincorporated place [Name of unincorporated place having 100 or more inhabitants] _______________________.
Township or other division of county ________________________.
Block Nos. ___________;
Institution [Name of institution and lines on which entries are made] _________________________________.