NavGeneral InfoEmail Print Geography United States of America (USA) Coverage type Country Time period covered 01/2004 - 12/2004 Data type Survey: Household Summary United States Survey of Income and Program Participation 2004 Citation Contributors United States Census Bureau (USCB) Suggested citation United States Census Bureau (USCB). United States Survey of Income and Program Participation 2004. GHDx Entry last modified on: Mar 7, 2022