Fastats A to Z - http://www.cdc.gov/nchs/fastats/default.htm
Birth, death, epidemiological statistics on communicable diseases from the Centers for Disease Control and individual states, provided by the National Center for Health Statistics.
State Health Facts - http://www.statehealthfacts.kff.org/cgi-bin/healthfacts.cgi
Find the latest state-level data on demographics, health, and health policy, including health coverage, access, financing and state legislation. Produced by The Henry J. Kaiser Family Foundation.
Statistics Search - http://healthlinks.washington.edu/statistics
From the University of Washington's HealthLinks, a resource page that indexes a variety of international, national, regional and local statistics sources and data sets; includes hot topics and tutorials on finding health-related statistics.