U.S. flag

An official website of the United States government

Skip Header
About
Events
Releases
Guidance
VISIT DATA.CENSUS.GOV
About data.census.gov
Events
Data.census.gov outreach staff exhibit at conferences and give presentations, and provide workshops and webinars throughout the year. Learn more about our activities here.
Outreach Webinars
Workshops Contact Us
Releases
Find out the latest updates about data.census.gov, the Census API, and the Microdata Access, including the most recent data releases and news.
data.census.gov Updates Latest Data Releases
Newsletters Upcoming Data Releases
Guidance
Check out our guidance to learn about using data.census.gov, the Census API, and the Microdata Access.
Frequently Asked Questions How-to Materials for Using data.census.gov How-to Materials for Using the Census API
How-to Materials for Using the Microdata Access Video Tutorials Webinars
VISIT DATA.CENSUS.GOV
About data.census.gov
Outreach Webinars Workshops Contact Us
data.census.gov Updates Latest Data Releases Newsletters Upcoming Data Releases
Frequently Asked Questions How-to Materials for Using data.census.gov How-to Materials for Using the Census API How-to Materials for Using the Microdata Access Video Tutorials Webinars

How-to Materials for Using the Census API

Skip Navigation
Within Guidance for Data Users

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. To learn more about the Census API, and to begin using it to locate data, visit our Census API Developers page.

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.
pdf Census Data API Flyer [< 1.0 MB]

Census Data API User Guide

api-guide

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.

How to Extract Data from the Census API

2020 Census Detailed DHC-A: Using the Census Data API to Get Individual Data Points

Learn how to access data from the Application Programming Interface (API) to find individual data points from the 2020 Census Detailed DHC-A.

2020 Census Detailed DHC-A: Using the Census Data API to Get a Table

Learn how to access data from the Application Programming Interface (API) to get a table from the 2020 Census Detailed DHC-A.

2020 Demographic and Housing Characteristics File: Using the Census Data API to Get Individual Data Points

Learn how to access data from the API to find individual data points from the 2020 Census Demographic and Housing Characteristics File.

2020 Demographic and Housing Characteristics File: Using the Census Data API to Get a Table

Learn how to access data from the API to get a table from the 2020 Census Demographic and Housing Characteristics File.

Redistricting Data Through the Census Data API: Single Estimates

Learn the core concepts and steps needed to extract 2020 P.L. 94-171 Redistricting Data using the Census Bureau's Application Programming Interface (API).

Redistricting Data Through the Census Data API: Tables and Group Calls

Following a few core concepts and steps, you can learn how to extract 2020 P.L. 94-171 Redistricting Data using the Census Bureau's API.

Using the API to Get All Results for an ACS Table

In this tutorial, we’ll show you how to get data for an entire table from the American Community Survey.

Using the API to Get Results for Multiple Estimates

In this tutorial, we’ll show you how to get data for only the variables you need from the 2018 ACS 1-Year Data Profiles.

View All Videos

Webinars

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

Video Tutorial

Video
2020 Census Detailed DHC-A: Using the Census Data API to Get Individual Data Points
Learn how to access data from the Application Programming Interface (API) to find individual data points from the 2020 Census Detailed DHC-A.
Video
2020 Census Detailed DHC-A: Using the Census Data API to Get a Table
Learn how to access data from the Application Programming Interface (API) to get a table from the 2020 Census Detailed DHC-A.
Video
2020 Demographic and Housing Characteristics File: Using the Census Data API to Get Individual Data Points
Learn how to access data from the API to find individual data points from the 2020 Census Demographic and Housing Characteristics File.
Video
2020 Demographic and Housing Characteristics File: Using the Census Data API to Get a Table
Learn how to access data from the API to get a table from the 2020 Census Demographic and Housing Characteristics File.
Video
Redistricting Data Through the Census Data API: Single Estimates
Learn the core concepts and steps needed to extract 2020 P.L. 94-171 Redistricting Data using the Census Bureau's Application Programming Interface (API).
Video
Redistricting Data Through the Census Data API: Tables and Group Calls
Following a few core concepts and steps, you can learn how to extract 2020 P.L. 94-171 Redistricting Data using the Census Bureau's API.
Video
Using the API to Get Results for Multiple Estimates
In this tutorial, we’ll show you how to get data for only the variables you need from the 2018 ACS 1-Year Data Profiles.
Video
Using the API to Get All Results for an ACS Table
In this tutorial, we’ll show you how to get data for an entire table from the American Community Survey.
Tutorial
How to Extract Data from the Census API
Learn how to use the Census API to explore or learn more about America's changing population and economy.
View All Census Videos

Using the Decennial APIs

pdf Accessing Data from the 2020 Detailed Demographic and Housing Characteristics File A in the Census Data API (Group Call)
pdf Accessing Data from the 2020 Detailed Demographic and Housing Characteristics File A in the Census Data API (Individual Data Points)
pdf Using the Census Data API to Access Data from the 2020 Demographic and Housing Characteristics File [845 KB]
pdf Using the Census Data API to Make a Group Call from the 2020 Demographic and Housing Characteristics File [771 KB]
pdf How to Download 2020 Decennial Self-Response Rates for All Counties in a State from the Census API [2.2 MB]
pdf How to Download 2020 Decennial Self-Response Rates for All Census Tracts in a State from the Census API [2.6 MB]
pdf How to Access Housing Data from the 2010 Decennial Census Using the Census Data API [944 KB]
pdf How to Download 2010 Decennial Self-Response Rates for All Counties in a State from the Census API [1.9 MB]
pdf How to Download 2010 Decennial Self-Response Rates for All Census Tracts in a State from the Census API [2.2 MB]

Using the ACS APIs

pdf How to Download All Congressional Districts from the Census API [4.6 MB]
pdf How to Download All Zip Code Tabulation Areas From the Census API [2.8 MB]
pdf Removing Annotation Columns from API Group Call Results in Excel [651K]
pdf Using the American Community Survey Equal Employment Opportunity API [11.3 MB]

Our Development Depends on Your Feedback

Take Action

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.gov, Census API, or Microdata Access to census.data@census.gov

You May Be Interested In

Page Last Revised - September 14, 2023
✕
Is this page helpful?
Thumbs Up Image Yes Thumbs Down Image No
✕
NO THANKS
255 characters maximum 255 characters maximum reached
✕
Thank you for your feedback.
Comments or suggestions?

Top

Back to Header