This site is very interesting and comprehensive. Tabulated data used to generate the atlas maps are also available. The atlas is also available as a printed book and on-line. Breast cancer rates for females are broken down according to age. The SEER Program of the National Cancer Institute collects and publishes cancer incidence and survival data from population-based cancer registries covering approximately 14 percent of the US population.
Web site is oriented for use by cancer researchers and epidemiologists.
This web site includes links to several state health departments. If you are looking for information on your particular state, this is a good page to start to locate your state's health department. The Morbidity and Mortality Weekly Report is published weekly by the Center for Disease Control and Prevention. This science based publication provides a search feature for past volumes. You can also search the MMWR index for other issues containing information on breast cancer.