How many diabetics are there in the USA?

23.6 million.

There are 23.6 million people in America who have diabetes as of 2007. This is according to the 2007 National Diabetes Fact Sheet published by the U.S. National Center for Chronic Disease Prevention and Health Promotion. This number accounts for 7.8% of the American population, with about 24% of diabetes cases undiagnosed.