This document provides information about homelessness in the United States and San Diego County from data collected in point-in-time counts. It summarizes that approximately 700,000 people experience homelessness on any given night nationally, including 50,000 youth. In San Diego County, the point-in-time count has increased each year from 7,582 in 2008 to 9,020 in 2011. The document outlines the purpose and process for conducting the point-in-time counts and analyzing the data collected to help address homelessness.