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Developers

The Census Bureau has begun rolling out our datasets via APIs.  Check out our Discovery Tool. Sign up for our newsletter to get the latest updates and newest dataset addition. We also invite you to make requests for features / data via our forum.

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About

Find out how to get a key, subscribe to our newsletter or read our Terms of Service on our 'About' page.

Available APIs

We plan on adding all of our publicly available data sets. Here you'll find which of our many data sets are currently available via API.

Guidance for Developers

This page provides developers and researchers on how to use the Census Data API and Census Microdata API from U.S. Census Bureau datasets.

Census Data API Discovery Tool

Use this tool to dive in and through the many API endpoints to discover available variables, geographies and vintages of data.

App Gallery

Here you'll find a mix of applications created both by the Census Bureau as well as by our developer community.

Geography

The greater your understanding of Census' geographic concepts, the more powerful you become as a developer using these data.

Latest Data Releases

Find out the latest news about data.census.gov, the Census API, and the Microdata Access, including the most recent data releases.

Video Tutorials

Our team has created a series of "how-to" videos for those looking for ways to enhance their knowledge of data.census.gov, Census API, and Microdata Access.

How-to Materials for Using the Census API

Do 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.

Basics of Using the Census API

Join us in this hands-on class as we learn how to access data through the Census Data Application Programming Interface (API).

Webinars

Did you miss our latest webinar? Would you like to watch it again? View our latest recorded webinars on data.census.gov, the Census API, and Microdata Access.

Updates

Visit this page to find out the latest updates sent out via our newsletter.

Contact Us

In these informational one-pagers, we address some of the most frequently asked questions to better assist with your data needs.

Frequently Asked Questions

Check out our FAQs to learn about using data.census.gov and the Census API. Find out what data, features, and functionality are available.

Terms of Service

News

Find out the latest news around the US Census Bureau that pertains to our API and developer community here!

Contact Us

Please send your questions or comments on data.census.govCensus API, or Microdata Access to census.data@census.gov

 

 

Page Last Revised - February 27, 2024
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