The Census Bureau is part of the Department of Commerce. The Bureau gathers analyzes and disseminates a wide range of information about American communities and the people who live and work in them. Richardson Library has an extensive collection of census documents and maps on-site, but there is far more information available online. Use this guide to locate information about demography, economic indicators and more both in the library and on the internet.
Richardson Library is an affiliate of the Maryland State Data Center (SDC). The Maryland SDC provides access to extensive expert analysis, training, and extension of Census products. This significant support is provided by the network’s dedicated local professionals in their roles as economic developers, librarians, demographers, and research professionals.
Hours for Fall 2020
Tuesday - Thursday
8am to 5pm
Friday - Monday
Online Reference Services available Monday - Friday
9am to 9pm
In July, 2019, the Census Bureau will be transitioning to data.census.gov.
Data from all census programs from 2000 to present can be found at American FactFinder.
For historic data (before 2000) search the National Historical GIS database at the University of Minnesota.
The 1920 Census showing 11 year-old Thoroughgood (Thurgood) Marshall at 1632 Division Street in the Upton neighborhood.