ACS Supplemental estimates consist of high-level detailed tables tabulated on the 1-year microdata for geographies with populations of 20,000 or more. The supplemental estimates in addition with Social Explorer tables provide a broad range of topics about social, economic, demographic, and housing characteristics of the U.S. population. American Community Surveys (Supplemental Estimates) is a category of data layers within the Social Explorer application. To find individual datasets, log in to Social Explorer, select a category, and browse to the desired layer.