A U.S. national data and mapping tool and analytics platform with multidisciplinary applications related to social sciences, urban studies, real estate and housing analysis, community and economic development, public administration, public health, policy and political science, education, business, economics, statistics, and geography, among others.

Contains the full text of surveys, budgets, statistical records, case studies, planning documents, training manuals, policy guidelines, reports, and news from the five hundred largest cities in North America. It also includes select materials from hundreds of related agencies and non-governmental organizations.