The Annie E. Casey Foundation:

The Annie E. Casey Foundation’s KIDS COUNT online database has a whole new look and feel. Now featuring child well-being measures for the 50 largest U.S. cities, this powerful tool contains more than 100 indicators, including the most recent data available on education, employment and income, poverty, health, and youth risk factors for the United States as a whole, all 50 states, the District of Columbia, Puerto Rico and the U.S. Virgin Islands.