In November 2006, 1,243 out of 2,016 identified local domestic violence programs across the United States participated in the first National Census of Domestic Violence Services (NCDVS). Designed to address the safety and confidentiality needs of victims, this Census collected an unduplicated, non-invasive count of adults and children who received critical services from local domestic violence programs during the 24-hour survey period. Since approximately 62% of local domestic violence programs in the U.S. participated, this Census provides a powerful glimpse but remains an undercount of the actual number of victims who sought and received services from local domestic violence programs nationwide in a 24-hour period.