U.S. Census Bureau
The emergency and transitional shelter population, 2010
Census 2010 Special Report.
Emergency and Transitional Shelter Population, 2000
Census 2000 Special Report. Supplemented with additional table: Population in selected group quarters for the United States, states, counties with 100 or more people in emergency and transitional shelters, and census tracts with 100 or more people in emergency and transitional shelters, and for Puerto Rico: 2000.
U.S. Department of Housing and Urban Development
Homelessness Assistance and Resources
Links to reports authored by HUD and other organizations.
The Annual Homeless Assessment Report to Congress
The first Annual Homeless Assessment Report was published in 2007 and marks the first time since 1984 that HUD has reported the number of homeless people in the United States. The Department used electronic person-based Homeless Management Information System (HMIS) data and locally implemented homeless counts to arrive at the number of sheltered and unsheltered homeless people and the characteristics of homeless people living in shelters.
U.S. Interagency Council on Homelessness
Research and Evaluation
Look here for links to reports that contain statistical information.
National Alliance to End Homelessness
Look here for reports and factsheets with statistics, such as the "State of Homelessness in America" report.
National Coalition for the Homeless
Basic facts about the homeless that summarize issues and present a short bibliography.
Substance Abuse and Mental Health Administration
The DASIS Report - Population Groups and Substance Use - Homeless
Reports from the Drug and Alcohol Services Information System.
Michigan's Campaign to End Homelessness
Regional Data from Michigan's Campaign
Includes data from 2008-present
The State of Homelessness in Michigan: 2009 Annual Summary
This is a report from the Michigan State Housing Development Authority.
Michigan Coalition Against Homelessness
Look here for possible relevent publications.