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Publisher: U.S. Census Bureau
For additional information concerning the files, contact the Customer Liaison and Marketing Services Office, Customer Services Center, U.S. Census Bureau, Washington, DC 20233, or phone 301-763-INFO (4636).
For additional information concerning the technical documentation, contact the Administrative and Customer Services Division, Electronic Products Development Branch, U.S. Census Bureau, Washington, DC 20233, or phone 301-763-8004.
Summary File 1 Technical Documentation
Social Explorer, U.S. Census Bureau; 2010 Census of Population and Housing, Summary File 1: Technical Documentation, Issued June 2011.