Depending on your focus, some of our other Research Guides may be helpful. The links below will take you to the best page in each guide to start looking for statistics.
There are special issues related to gathering statistics related to homeless people. If you are interested in this topic it would be a good idea to read this fact sheet from the National Coaliton for the Homeless. It goes over some definitions and methodological issues.
Once familar with the methods (ex: "point-in-time counts") you'll be better placed to understand what statistics from such places as the Annual Homeless Assessment Report (AHAR) can and cannot tell you.