Here is a link to the report’s Executive Summary. There is a chapter on racial and ethnic diversity, and here is a snip from the executive summary regarding this chapter:
The United States population is today one-third non-white, and those groups accounted for 83 percent of national population growth from 2000 to 2008. Immigration continues to fuel our growth, too, and now nearly one-quarter of U.S. children have at least one immigrant parent. This coming-of-age generation, a little over 30 years from now, will stand on the precipice of our transition to a majority non-white nation. Large metropolitan areas will get there first, as their under-18 population had already reached majority non-white status by 2008.