search across all the following databases:
Data and documentation
Common questions and answers.
Entire collection of data resources.
The 2012 ACS release uses new boundaries for PUMAs. These new boundaries are based on new guidelines established by the Census Bureau as well as results from the 2010 Census.
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.