IHME research, published in Diabetes Care in August 2016, "Diagnosed and Undiagnosed Diabetes Prevalence by County in the U.S., 1999–2012," produced estimates by county and sex for the prevalence of diagnosed, undiagnosed, and total diabetes, as well as rates of diagnosis and effective treatment for 1999-2012. The dataset contains estimates for all states and counties, the District of Columbia, and the United States as a whole.