Census Data API User Guide
The purpose of this user guide is to instruct developers and researchers on how to use the Census Data Application Programming Interface (API) to request data from U.S. Census Bureau datasets.
Help & Contact Us
Resources for Learning More
How-To Materials for Using the Census API
- census.gov/data/what-is-data-census-gov/guidance-for-data-users/how-to-materials-for-using-the-census-api.html Recorded webinars, short videos, and step-by-step PDF walkthroughs with screenshots
Dataset Discovery Tool:
- List of Census API Datasets: api.census.gov/data.html?key=your key here
- List of Census API Datasets in XML: api.census.gov/data.xml?key=your key here
- List of Census API Datasets in JSON: api.census.gov/data.json?key=your key here
Census Data API Developers Page:
Convert JSON to CSV data:
Guide to Accessing Census Data API via Python
Census Bureau Geography
Contact Us
If you have additional questions about the Census Data API, contact us by emailing [email protected].
Related Information
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How-to Materials for Using the Census APIDo you have questions on how to use the Census API? Check out our step-by-step guidance to learn how to use the Census API to find the data you need.
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Data ToolExplore Census DataThis new platform on data.census.gov is based on overwhelming feedback to streamline the way you get data and digital content from Census Bureau.
Page Last Revised - May 14, 2026