This statistical profile of the Latino population is based on Pew Hispanic Center tabulations of the Census Bureau’s 2006 American Community Survey (ACS). The ACS is the largest household survey in the United States, with a sample of about 3 million addresses. It covers virtually the same topics as those in the long form of the decennial census. The ACS is designed to provide estimates of the size and characteristics of the resident population, which includes persons living in households and, for the first time, persons living in group quarters.