The United States Olympic Committee sent a total of 539 athletes to the Olympics in London to compete in 25 sports.
London Summer Olympics 2012
The US has 529 athletes in the 2012 Olympics.
645 Athletes
530 US athletes will be participating at the 2012 London Olympics.
Vancouver
596
539
None but me
216
530.
There are 10,960 athletes in the 2012 Olympics. UK has the most with 557 athletes, followed by US with 534 and Russia with 441.
590 US athletes will be at the Beijing Olympics.
0, there were no Olympics in the year of 2010.