Year Candy Corn was invented:

1880
Candy Corn was invented by George Renninger, a worker for the Wunderlee Candy Company.
Source: The Tallahassee Democrat, 7/17/2005

 
   
  Estimated pieces of candy corn produced in 2005:

9 billion
Or about 35 million pounds.
Source: The Tallahassee Democrat, 7/17/2005