Online Reference Resources
Statistics
General Statistics

• America's Children -- statistics on the health, education, and population of America's children
• Bureau of Justice Statistics
• Census Bureau--now searchable, and has an alpha index to get you to some of the useful subsets of information
• Census: National Population Estimates 
• Census Scope -- provides census data in graphic format such as maps, charts, and graphs.  You can zoom in on a national map to obtain regional information.
• Chicago Crime Data -- an excellent source for data on crime occurrence in the City of Chicago. Interactive maps included. Great way also to see which neighborhoods are safer than others.
• Cost of Living: Worldwide - City Rankings
• County City Data Book Includes 1988 and 1994. Choose your state, choose data by state, city or county level, select data type, and how you want the data organized and delivered to you.
• County Population Estimates
• Drug Statistics-- Statistics on use and consequences of alcohol, tobacco, illegal drugs.
• Extreme Weather Sourcebook -- statistics on the economic and societal impact of floods, hurricanes, tornadoes, etc.
• FedStats--One Stop Shopping--the easiest way yet to search through government statistical series.
• Finding Statistics Online--a nice subject index to statistical sources by Paula Berinstein.
• Iowa PROfiles-- Iowa Public Resource Online contains economic and labor data for Iowa counties and cities.
• Iowa Quick Facts --compares nation and Iowa
• Iowa State Data Center
• Iowa Uniform Crime Reporting
• Language in America -- Extensive data and data mapping on what languages are spoken where and by how many in the US.
• Meta-Index to Statistics on the Web
• PRB--"the source for global population information." An excellent set of annotated links to national and organizational databases on not just population statistics, but statistics on environment, education, health, etc.
• SETA: Office of Social and Economic Trend Analysis -- for the midwest region.
• Social Statistics Briefing Room-- government demographic, health, education, and crime statistics in brief, arranged for ease of use by non-statisticians
• State and Metropolitan Area Databook--entire book from the Dept. of the Census is available in pdf format
• Statistical Abstract of the United States [.pdf]
• Statistical Resources on the Web -- from the University of Michigan Documents Center.
• Statistics on the Aging Population -- includes the Profile of Older Americans and much more
• UNdata -- an excellent portal to the wealth of information at the United nations.
• United Nations Population Information Network(POPIN)
• United States Historical Census Data Browser--for census data between 1790 and 1970. You can choose and simultaneously browse up to 15 variables.