How much does it cost to adopt?
The cost of adoption depends on a number of things: the type of adoption, the agency you work with, the state in which you live, attorney fees, and any necessary travel expenses.
Range of adoption costs
Foster care adoptions: $0–$2,500
Licensed private agency adoptions: $5,000–$40,000+
Independent adoptions: $8,000–$40,000+
Intercountry adoptions: $7,000–$30,000
(Source: http://www.childwelfare.gov/pubs/s_cost/s_cost.cfm)