The American Academy of Arts and Sciences, Cambridge, MA has finished its Humanities Resource Center Online,  

the result of collaboration between humanities organizations, universities, and social scientists, provides the academic community and public at large with an online source of information, including statistical data, about the humanities in the United States.  (From the website)

If you like visual interpretations of data, especially those that relate to literacy and public library use, you'll enjoy the feast.  Most interesting is the data on public library visits and circulation found in these graphs.