Authored by Craig Gundersen, Department of Human Development and Family Studies, Iowa State University; Dean Jolliffe, U.S. Department of Agriculture, Economic Research Service; and Laura Tiehen, U.S. Department of Agriculture, Economic Research Service. This report, as part of the Working Paper Series of the National Poverty Center (NPC), explores variation in State policies and data from the Survey of Income and Program Participation (SIPP) to analyze food insecurity rates between Food Stamp program participants and non-participants.