FrontMatter -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 The Group Quarters Population and the American Community Survey -- 3 American Community Survey Data Products, Data Uses, and Data Needs -- 4 Sampling Frame Development and Maintenance -- 5 Sample Allocation and Selection -- 6 Weighting and Estimation -- References -- Appendix A: Participants in the Panel's Meeting with Data Users: December 13, 2010 -- Appendix B: 2011 American Community Survey: Housing Unit Questionnaire -- Appendix C: 2011 American Community Survey: Group Quarters Questionnaire -- Appendix D: 2005-2009 American Community Survey 5-Year Estimates Data Tables That Highlight the Group Quarters Population in Virginia -- Appendix E: 2005-2009 American Community Survey 5-Year Estimates Data Tables That Highlight the Group Quarters Population in Goochland County, Virginia -- Appendix F: The 10 Largest Federal Assistance Programs That Relied on ACS Total Population Estimates, Fiscal Year 2008 -- Appendix G: The 10 Largest Federal Assistance Programs with Funds Sent Directly to Substate Areas Based on ACS Total Population Estimates, Fiscal Year 2008 -- Appendix H: Plots of Relative Differences, ACS Estimates from 2005-2009, 2007-2009, and 2009 with Expected Estimates of the Group Quarters Population in U.S. States -- Appendix I: Plots of Relative Differences, 2005-2009 ACS Estimates and 2007 Expected Estimates of the Group Quarters Population in Selected Counties by Region -- Appendix J: Plots of Relative Differences, 2005-2009 ACS Estimates and 2007 Expected Estimates of the Group Quarters Population in Selected Areas with Populations Under 20,000 -- Appendix K: Biographical Sketches of Panel Members and Staff -- Committee on National Statistics.