America's Children in Brief: Key National Indicators of Well-Being, 2010
Report published annually by the Federal Interagency Forum on Child and Family Statistics (Forum) about the well-being of children and families.

PeriStats (March of Dimes) Developed by the March of Dimes Perinatal Data Center. Uses freely accessible national, state, county, or city data. Create graphs, maps, and tables.

Youth Risk Behavior Surveillance System (YRBSS)
Monitors health risk behaviors in youths and young adults. Includes data on obesity, asthma, seat belt usage, drunk driving, weapons in schools, bullying, alcohol, drug, & tobacco use, sexual behaviors, pregnancy, and STDS, etc.

Administration for Children & Families
Find statistics about adoption, foster care, child abuse, neglect, and child welfare.