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Using American FactFinder (AFF): More help

instructions and tips on using AFF to find and map Census Tract data

Guides to Census information

guidepostWe have a set of guides to Census information that give more details on other aspects of the website, other graphsites where Census data is available (especially useful for historical data or if the government shuts down!). The guides also include discussions of thorny Census-related questions such as comparability of data over time, changing definitions of race and Hispanic origin, and important geographical concepts. It's important to understand these topics in order to use data effectively and ethically.

This page from the Guides is especially useful for finding more in-depth help with Census data: tutorials, FAQs and user guides

Here are some of's tutorials and other user aides: