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search across all the following databases:
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Data and documentation
KnowledgeBase
Common questions and answers.
Resources
Entire collection of data resources.
Measuring Marriage & Divorce among Same-Sex Couples

Atlas of Sentencing and Corrections
The National Justice Atlas of Sentencing and Corrections, an online, interactive, mapping utility that gives policy makers, media, researchers and the public a neighborhood-level view of where prison inmates and offenders on probation and parole are from.
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.