Nationally collected statistics on health conditions, vital records, and provider information (e.g. insurance). FastStats provides quick overviews on the most commonly sought conditions.
State and territorial health departments.
Statistics on those diseases and factors which relate to global health priorities (e.g. HIV, hunger, etc);
In addition to those statistics collected by large agencies, many articles present statistical information.
When searching for statistical information in article databases, search for these words in the article's title:
Databases that use controlled vocabulary (eg PubMed, CINAHL, and PsycINFO) have subject headings or subheadings for "statistics and numerical data".