search across all the following databases:
Data and documentation
Common questions and answers.
Entire collection of data resources.
The Project Tycho website provides open access to digitized data from the 125 year history of the US weekly nationally notifiable disease surveillance data. To quote a data user, "Historical records are a precious yet undervalued resource."
We help researchers at the Population Studies Center acquire, verify, maintain, improve, distribute, and preserve data.
Data Services helps researchers access, acquire, and use contractual data in a secure environment.
We provide support for data manipulation, geographic cross-walks, details on census operations and procedures.
The ACS is the replacement for the census long-form. We can help you move from the census to the ACS.