The more than 50 million Hispanics living in the United States make up 17 percent of the total population and are the nation's fastest growing racial or ethnic group. Many Hispanics continue to face disparities in health coverage and care, and they have the highest uninsured rate among racial/ethnic groups, with nearly one in three lacking coverage. This brief provides an overview of the Hispanic population in the U.S., their health coverage today and the potential impact of the ACA coverage expansions.