Statistical Abstract of the United States (most current issue shelved at the Reference Desk)
World Almanac (most current issue shelved at the Reference Desk)
American Journalism Review Excellent Gateway site to stories, facts and figures.
Center for Media and Democracy's PR Watch A non-profit investigative reporting group.
Pew Research Center for People & the Press The Pew Research Center for the People & the Press is an independent, non-partisan public opinion research organization that studies attitudes toward politics, the press and public policy issues.
Poynter The Poynter Institute is a school dedicated to teaching and inspiring journalists and media leaders.
Google's advanced search allows you to search by domain name (on bottom line of the advanced search form).
Entering .edu or .gov into this line will only return results from educational or US government sites, which tend to contain more reliable scholarly or factual information.