This 2019 report updates ED's annual Early Childhood Homelessness State Profiles and provides a snapshot of early childhood data available for children who are experiencing homelessness in each state, plus the District of Columbia and Puerto Rico. It includes publicly available data for 2015-2016 from the U.S. Census Bureau (Census), ED, HUD, HHS, and the Annie E. Casey Foundation and reports the following by state: - Total population under age six in 2017 - Estimated number of children under age six experiencing homelessness in 2016-2017 - Estimated extent of homelessness (e.g., one-in-[X] children under age six experienced homelessness in 2016-2017) - Estimated enrollment of children under age six in federally-funded early childhood programs (i.e., Head Start and school districts receiving McKinney-Vento Homeless Assistance Act (McKinney-Vento Act) subgrants) in 2016-2017. (author abstract)