American FactfinderFrom the U.S. Census Bureau, a source for population, housing, economic, and geographic data.
CDC WonderWONDER online databases utilize a rich ad-hoc query system for the analysis of public health data. Reports and other query systems are also available.
Data.gov"Find, download, and use datasets that are generated and held by the Federal Government."
Uniform Crime Reporting Statistics"The FBI has gathered crime offense statistics from law enforcement agencies across the Nation through its Uniform Crime Reporting (UCR) Program since 1930." Statistics collected for: "violent crime (murder and nonnegligent manslaughter, forcible rape, robbery, and aggravated assault) and property crime (burglary, larceny-theft, and motor vehicle theft).
Use the table-building tool to specify offenses, locality (city, state), and year(s)."