Recent Demographic Trends in Foster Care: Over the last decade, the U.S. foster care population has undergone a substantial reduction in size and experienced a shift in its racial and ethnic composition. Using data from the Adoption and Foster Care Analysis and Reporting System (AFCARS), this data brief summarizes those changes and provides new detail that identifies the geographic areas most responsible for these national trends.
http://www.acf.hhs.gov/sites/default/files/cb/data_brief_foster_care_trends1.pdf

National Foster Parent Association: a non-profit organization focused on meeting the needs of foster families.
http://www.nfpainc.org

Fostering Families Today Magazine: A resource for foster and adoptive families.
http://www.fosteringfamiliestoday.com

Foster Focus Magazine: Monthly magazine source for foster care news and information. Many articles online.
http://www.fosterfocusmag.com/index.html

Child Welfare Information Gateway: a range of resources for foster parents.
https://www.childwelfare.gov/outofhome/foster_care/

Child welfare adoptions climbed after the passage of the Adoption and Safe Families Act in 1997, peaking at over 57,000 a year in 2009. They have remained above 50,000 each year, with 52,039 adopted from foster care in 2012 (AFCARS, 2013).

Adoption and Foster Care Analysis and Reporting System (AFCARS) Data on Child Welfare Outcomes: In FFY2012, 101,666 foster children were waiting to be adopted, and 52,039 were adopted that year. In addition 16,418 foster children exited care through guardianships (Nov., 2013 estimates). 
http://www.acf.hhs.gov/programs/cb/research-data-technology/statistics-research/afcars

Recent Demographic Trends in Foster Care: Over the last decade, the U.S. foster care population has undergone a substantial reduction in size and experienced a shift in its racial and ethnic composition. Using data from the Adoption and Foster Care Analysis and Reporting System (AFCARS), this data brief summarizes those changes and provides new detail that identifies the geographic areas most responsible for these national trends.
http://www.acf.hhs.gov/sites/default/files/cb/data_brief_foster_care_trends1.pdf

ASPE Research Brief: Children Adopted from Foster Care-Adoption Agreements, Adoption Subsidies, and Other Post-Adoption Supports (May 2011)
http://aspe.hhs.gov/hsp/09/nsap/brief2/rb.shtml#_Toc300132861