Included in the resources section of our website are guides and tutorials that explain how to use population data, such as the American Community Survey; population maps, including an updated MSA map; links to Cooper Center population estimates and projections; and links to Census data. If you have questions about our data, please contact us at

Guide to Publicly Available Demographic Data

The guide includes the sources of data, how often the data is collected and for what years it is available, the geographic level of analysis (state, county, etc.), description of the data source, the variables included in the data, link to data release dates, and guides for understanding & using the data (when available).

Access the GUIDE or go directly to individual sources in the guide:

Reference Maps & Shapefiles

Note: To cite material on the Demographics website, use this format:

Author name(s), Title. Date Published. Demographics Research Group, Weldon Cooper Center for Public Service, University of Virginia. Date accessed <>.