The United States produces and consumes a great deal of dairy food, buttermilk being one of the small product categories within this huge market. The market size presented below is the quantity of buttermilk produced in the United States in 2009. It represents 3% of all milk products and a mere 0.6% of all dairy products.

Geographic reference: United States
Year: 2009
Market size: 125.3 million pounds.
Source: “Dairy Products, 2009 Summary,” USDA publication, April 2010, page 9, available online here.
Original source: U.S. Department of Agriculture, National Agricultural Statistics Service