How many FDIC insured banks are there in the US?

6,805.

There are 6,805 banks in the United States that are insured by the Federal Deposit Insurance Corporation (FDIC) as of March 18, 2010. This is according to the Key Statistics published by the FDIC in March 2010. 10 of this number are U.S. branches of foreign banks, and the rest are US commercial banks.