Produced by the U.S. Census Bureau, the website provides statistical data about every State, District and Commonwealth, including data on populations with racial breakdown, education, business information, and geographical facts. The site is searchable by county and city.
Provides data on population, housing, employment, labor force, and income projections in the state of Maryland.
Look at U.S. Government statistics on a wide range of topics, including people and households, business and industry, as well as geographical data.
Resource explaining the availability of census data by zip codes.
Guide to Census resources from the U.S. Census. Maintained by the University of Maryland Libraries.