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Frequently Asked Questions

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Frequently Asked Questions

Check out our Frequently Asked Questions to learn about using data.census.gov, the Census API, and Microdata Access. Find out what data, features, and functionality is available.

What is data.census.gov?

Data Availability

How to Use the Site

Functionality Available

General Questions

Feedback

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As we continue to develop new functionalities like search by address and advanced printing and download options, please let us know what features are important to you. 

Please send your questions or comments on data.census.govCensus API, or Microdata Access to [email protected]

Page Last Revised - September 12, 2025