I hate using old statistics when I'm making a case for funding. Makes me feel like we haven't done our homework. So, I'm always on the lookout for good sources.
The Annie E. Casey Foundation publishes an annual database - Kids Count. This year they've added some great bells and whistles. Take a look. And order a hard copy of the book -- it's free.
KIDS COUNT State-Level Data Online
Data from the Annie E. Casey Foundation’s 2006 KIDS COUNT Data Book are now available in our easy-to-use, powerful online database, "State Level Data Online", that allows you to generate custom graphs, maps, ranked lists, and state-by-state profiles; or, download the entire data set as delimited text files.