The Washington Information Directory (WID) is a topically organized reference resource that lists contact information for federal agencies and nongovernmental organizations in the Washington metro area along with a brief paragraph describing what each organization does related to that topic. In addition, WID pulls together 55 organization charts for federal agencies, congressional resources related to each chapter topic, hotline and contact information for various specific areas of interest (from Food Safety Resources to internships in Washington), and an extensive list of active congressional caucuses and contact details. WID has two appendices, one with thorough information on congresspersons and committees, and the second with governors and embassies.

Census, Population Data

Census, population data



Census Bureau (Commerce Dept.), 4600 Silver Hill Rd., #8H010, Suitland, MD 20746 (mailing address: 4600 Silver Hill Rd., #8H010, Washington, DC 20233-0100); (301) 763-2135. Steven Dillingham, Director. Library, (301) 763-2511. Press, (301) 763-3030. Toll-free, (800) 923-8282. TTY, (800) 877-8339.

General email,

Web, and Twitter, @uscensusbureau

Conducts surveys and censuses (including the decennial census of population, the American Community Survey, the economic census, and census of governments); collects and analyzes demographic, social, economic, housing, foreign trade, and data on governmental data; publishes statistics for use by federal, state, and local governments, Congress, businesses, planners, and the public. Provides online resources and data analysis tools. Library open to the public Monday through Friday, 9:30 a.m.–3:30 p.m.

Census Bureau (Commerce Dept.), Customer Liaison and Marketing Services, ...

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