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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
to get the latest updates and newest dataset addition. We also invite you to make requests for features / data via our
forum
Developers' Forum
Need help? Check out our Developer Forum to submit questions, share your apps, and provide feedback.
Courses
Introduction to the Census Bureau Data API
July 2024
Learn to integrate Census Bureau data within applications and data visualizations through our free API. Construct API calls, use FIPS codes, RStudio, and Excel
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.
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Submit Key Request
Featured Resources
Using the API to Access Census Data
In this tutorial, we’ll show you how to get data for only the variables you need from the 2023 ACS 1-Year Data Profiles.
Using the API to Access Census Data
2020 Census Supplemental DHC: Using the Census Data API to Get a Table
Workshop: Basics of Using the Census API
Latest Data Releases
Frequently Asked Questions
Using the API to Access Census Data
In this tutorial, we’ll show you how to get data for only the variables you need from the 2023 ACS 1-Year Data Profiles.
2020 Census Supplemental DHC: Using the Census Data API to Get a Table
Learn how to use the API to get a table from the 2020 Census Supplemental Demographic and Housing Characteristics File.
Latest Available APIs
Public Sector: Public Employment and Payroll
Census Microdata API
Economic Census (2002 – 2022)
Public Sector: State Government Finances
Annual Integrated Economic Survey (AIES) Time Series
Rental Housing Finance Survey (RHFS)
Geography Information
American Community Survey 5-Year Data (2009-2024)
View All Available APIs
Recent Video Tutorials
VIEW ALL VIDEOS
Using the API to Access Census Data
In this tutorial, we’ll show you how to get data for only the variables you need from the 2023 ACS 1-Year Data Profiles.
Using the API to Access Census Data
2020 Census Supplemental DHC: Using the Census Data API to Get a Table
2020 Census S-DHC: Using the Census Data API to Get Data Points
2020 Detailed DHC-B: Using the Census Data API to Get Data Points
2020 Census Detailed DHC-B: Using the Census Data API to Get a Table
Using the API to Access Census Data
In this tutorial, we’ll show you how to get data for only the variables you need from the 2023 ACS 1-Year Data Profiles.
2020 Census Supplemental DHC: Using the Census Data API to Get a Table
Learn how to use the API to get a table from the 2020 Census Supplemental Demographic and Housing Characteristics File.
Workshops
Basics of Using the Census Application Programming Interface (API)
Join us in this hands-on class as we learn how to access data through the Census Data Application Programming Interface (API).
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Basics of Using the Census Application Programming Interface (API)
Join us in this hands-on class as we learn how to access data through the Census Data Application Programming Interface (API).
Webinars
The ABCs of the Census API
Start your journey into the Census Bureau’s application programming interface (API), a powerful tool that allows data users to quickly access data in a standard
Data at Your Door: Census API Decoded
This webinars introduces you to the API through a few core concepts.
Demystifying the Census API
Join this webinar for an introduction and live demonstration of our application programming interface (API) in action.
View All Webinars
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About Developers
Available APIs
Guidance for Developers
Census Data API Discovery Tool
Geography
Latest Data Releases
Upcoming Releases
Video Tutorials
How-to Materials for Using the Census API
Basics of Using the Census API
Webinars
Developer Updates
Frequently Asked Questions
Developer News
Please send your questions or comments on
data.census.gov
Census API
, or
Microdata Access
to
[email protected]
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Visualization
Census Infographics & Visualizations
Explore Census data with infographics and visualizations covering a broad range of topics.
Page Last Revised - April 21, 2026