From the International Dairy Foods Association:

• The most popular cheese recipe is the United States is "macaroni and cheese."
• There are around 2,000 varieties of cheeses. Visit Cheese.com for a large list of types.
• Cheese takes up about 1/10 the volume of the milk it was made from
• A giant wheel of Cheddar cheese was given to Queen Victoria (1837-1901) for a wedding gift. It weighed over 1,000 pounds. A normal Cheddar wheel weighs 60-75 pounds.