An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Explore Census.gov for...
Search data, events, resources, and more
Topics
Browse our topics and subtopics to find information and data.
View All Topics and Subtopics
Index A to Z
Data & Maps
Access demographic, economic and population data from the U.S. Census Bureau. Explore census data with visualizations and view tutorials.
Explore data on data.census.gov
View all data resources
Surveys & Programs
Our surveys provide periodic and comprehensive statistics about the nation. This data is critical for government programs, policies, and decision-making.
Survey Help
View all Surveys & Programs
Topics
Data & Maps
Surveys & Programs
Resource Library
Age and Sex
Business and Economy
Education
Emergency Management / Disasters
Employment
Families and Living Arrangements
Geography
Health
Hispanic Origin
Housing
Income and Poverty
International Trade
Migration/Geographic Mobility
Population
Population Estimates
Public Sector
Race
Redistricting
Research
Voting and Registration
2020 Census
2030 Census
American Community Survey (ACS)
American Housing Survey (AHS)
Annual Business Survey (ABS)
Annual Survey of Manufactures (ASM)
Census of Governments
County Business Patterns (CBP)
Current Population Survey (CPS)
Economic Census
International Programs
Metro and Micro Areas
Population Estimates
Population Projections
Small Area Income and Poverty
Statistics of U.S. Businesses
Survey of Business Owners
Survey of Income and Program Participation (SIPP)
-
//
- Census.gov /
- Our Surveys & Programs /
- Decennial Census of Population and Housing /
- About /
- Redistricting Data Program
Redistricting Data Program
Redistricting Data Program
Written by:
Redistricting & Voting Rights Data Office (rdo@census.gov or 301-763-4039)
Data
Redistricting Data Program Congressional Districts
February 03, 2023
Guidance and access to information about congressional districts and congressional district products.
Redistricting Data Program State Legislative Districts
February 06, 2023
Guidance and access to information about state legislative districts and state legislative district products.
Decennial Census P.L. 94-171 Redistricting Data Summary Files
November 29, 2023
Includes the official data, documentation, and support materials to assist in accessing P.L. 94-171 Redistricting Data.
Explaining the 2020 Census Redistricting Data
Related Information
America Counts Story
STATE PROFILES: 2020 Census
We bring you data visualizations with new 2020 Census data for your state and county on: population, race and ethnicity, diversity, age and housing.
America Counts Story
8.2 Million People Counted at U.S. Group Quarters in the 2020 Census
The 2020 Census data released today provide counts of the group quarters population down to the block level for the first time in a decade.
America Counts Story
Adult Population Grew Faster Than Total Population From 2010 to 2020
The first detailed results of the 2020 Census released today show a nationwide shift in the age makeup of the U.S. population from 2010 to 2020.
America Counts Story
Improved Race, Ethnicity Measures Show U.S. is More Multiracial
Today’s release of 2020 Census data provides a new snapshot of the racial and ethnic composition of the country.
America Counts Story
U.S. Housing Vacancy Rate Declined in Past Decade
The percentage of housing units vacant in 2020 dropped to 9.7% from 11.4% in 2010, according to 2020 Census data released this week.
America Counts Story
What Do We Know About the Quality of 2020 Census Redistricting Data?
To assess the quality of the redistricting data released today, we compared 2020 Census to key data benchmarks.
America Counts Story
Growth in Housing Units Slowed in the Last Decade
The 2020 Census results released today provide a count of vacant and occupied housing units across the nation.
America Counts Story
More Than Half of U.S. Counties Were Smaller in 2020 Than in 2010
The U.S. Census Bureau today released the first 2020 Census population counts for counties, metropolitan and micropolitan statistical areas, and cities.
America Counts Story
2020 U.S. Population More Racially, Ethnically Diverse Than in 2010
2020 Census results released today allow us to measure the nation’s racial and ethnic diversity and how it varies at different geographic levels.
Random Samplings Blog
Using Demographic Benchmarks to Help Evaluate 2020 Census Results
November 09, 2021
One of the primary methods of evaluating the quality of a census is comparing the results to other population benchmarks.
Random Samplings Blog
The Census Geocoder - Group Quarters Assistance
August 10, 2021
People living in group quarters, such as nursing homes, military barracks, and college/university student housing, are among the unique populations counted in the 2020 Census.
Random Samplings Blog
Improvements to the 2020 Census Race and Hispanic Origin Question Designs, Data Processing, and Coding Procedures
August 03, 2021
This blog discusses how we improved the census questions on race and Hispanic origin, also known as ethnicity, between 2010 and 2020.
Random Samplings Blog
Improvements to the 2020 Census Race and Hispanic Origin Question Designs, Data Processing, and Coding Procedures
August 03, 2021
This blog discusses how we improved the census questions on race and Hispanic origin, also known as ethnicity, between 2010 and 2020.
Random Samplings Blog
How We Complete the Census When Demographic and Housing Characteristics Are Missing
August 02, 2021
Although we strive to obtain all demographic and housing data from every individual in the census, missing data are part of every census process.
Director's Blog
Datos para la redistribución legislativa: qué esperar y cuándo
July 28, 2021
Hemos tenido varios equipos trabajando arduamente en el próximo conjunto de datos del Censo 2020 : los datos de redistritación.
Director's Blog
Redistricting Data: What to Expect and When
July 28, 2021
Since releasing the apportionment results in April, we’ve had several teams working hard on the next set of 2020 Census data — the redistricting data.
Random Samplings Blog
Resources Available to Prepare for the 2020 Census Redistricting Data Release
July 28, 2021
In a few weeks, we’ll release the 2020 Census redistricting data in our legacy summary file format. And a few weeks after that, we’ll release the same data in an easier-to-use format.
Finding 2020 Detailed DHC File A Data
This webinar will focus on the platform data.census.gov and finding available 2020 Detailed Demographic and Housing Characteristics File A data.
Noisy Measurement Files for the Redistricting and DHC Data Products
In this webinar you'll learn how to access and use 2020 Census Noisy Measurement Files (NMFs).
Researching Formal Privacy for the Census Bureau's CBP Program
This webinar provides a high-level overview of a novel formal privacy framework, called per-record differential privacy (PRDP).
2010 Demonstration Data Products Suite – Redistricting Data and DHC
Learn more about the April 3 release of the 2010 Demonstration Data Products Suite – Redistricting Data and DHC.
2020 Census Race and Ethnicity Data: The Detailed DHC-A Proof of Concept
Learn more about the release of the Proof of Concept for the 2020 Census Detailed Demographic and Housing Characteristics File A (Detailed DHC-A).
Second Round of Demonstration Data for the Demographic and Housing Characteristics File (DHC)
Learn more about the second round of 2010 DHC demonstration data.
Population
QuickFacts
QuickFacts provides frequently requested Census Bureau information at the national, state, county, and city level.
Data Tool
Explore Census Data
This new platform on data.census.gov is based on overwhelming feedback to streamline the way you get data and digital content from Census Bureau.
Fact Sheet
Differential Privacy: A Modern Approach to Protecting Your Confidentiality
May 08, 2023
This fact sheet describes what differential privacy is and how it provides precise protection against digital-age threats.
Fact Sheet
Protecting the Confidentiality of 2020 Census Redistricting Data
August 12, 2021
By law, we must ensure that we don’t release information that could identify your information in the statistics we publish.
Fact Sheet
Comparing Differential Privacy With Older Disclosure Avoidance Methods
August 12, 2021
Differential privacy, first developed in 2006, is a framework for measuring the precise disclosure risk associated with each release of confidential data.
Fact Sheet
Differential Privacy and the 2020 Census
July 22, 2021
Differential privacy is a mathematical approach inspired by modern cryptography principles that disguises an individual’s identity in published data.
Press Release
Census Bureau Releases 2020 Census DHC Noisy Measurement File
October 23, 2023
The U.S. Census Bureau today released the Noisy Measurement File associated with the 2020 Census Demographic and Housing Characteristics File (DHC).
Press Release
2020 Census Redistricting Noisy Measurement File (NMF)
June 15, 2023
The U.S. Census Bureau today released the Noisy Measurement File for the 2020 Census Production Settings Redistricting Data (P.L. 94-171).
Press Release
人口普查局就人數問題解決運作向政府官員提供了資訊
December 15, 2021
美國人口普查局今天通過電子郵件向符合資格的政府官員發送了參與 2020 年人口普查人數問題解決運作的資訊。
Press Release
Бюро переписи предоставляет информацию о разрешении вопросов подсчета
December 15, 2021
Бюро переписи населения США отправило государственным должностным лицам информацию об операции по разрешению вопросов подсчета в рамках Переписи населения 2020.
Video
The Comprehensive Course for Accessing 2020 Census Redistricting Data
This all-levels course will demonstrate several methods to access these data.
Video
How to Access 2020 Census Redistricting Data Files from the FTP Site
This all-levels course will teach you how access redistricting data.
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
Accessing 2020 Redistricting Data: Mapping Geographies
Learn how to map geographies using data.census.gov.
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
Accessing 2020 Redistricting Data: Census Blocks
Learn how to find 2020 P.L. 94-171 Redistricting data at the Census block level on data.census.gov.
Video
Accessing 2020 Census Redistricting Data on data.census.gov
In this video tutorial, we show you various examples on how to access Redistricting Data to pull tables on housing population counts, apply filters, and more.
Video
Accessing 2020 Redistricting Data: Customizing Your Table View
The "Customize Table" button on data.census.gov gives data users many options to change the way they view a data table on data.census.gov.
Video
Accessing 2020 Redistricting Data: Hispanic or Latino Population
In this tutorial, we show you how to navigate the data platform to find 2020 Redistricting data tables on the Hispanic or Latino population.
Visualization
Detailed Races and Ethnicities in the U.S. and Puerto Rico: 2020 Census
Explore population counts for detailed race and ethnicity groups and American Indian and Alaska Native tribes and villages for the nation, states, and counties.
Visualization
Irish-American Heritage Month
2020 Census population totals of Irish-sounding places in the United States.
Visualization
2020 Census: Percent Change in County Population: 2010 to 2020
Percent change in county population.
Visualization
Race and Ethnicity in the United States: 2010 Census and 2020 Census
View how race and ethnicity have changed by state from the 2010 Census and 2020 Census.
Visualization
The U.S. Adult and Under-Age-18 Populations: 2020 Census
View the percentage of the population that was aged 18 and over in 2020 for your state.
Visualization
2020 Census Demographic Data Map Viewer
The 2020 Census Demographic Data Map Viewer is web map application that includes state, county, and tract-level data from the 2020 Census.
Visualization
Racial and Ethnic Diversity in the U.S.: 2010 Census and 2020 Census
We use the Diversity Index (DI) to measure the probability that two people chosen at random will be from different race and ethnicity groups.
Visualization
2020 Census: Racial and Ethnic Diversity Index by State
The Diversity Index tells us the chance that two people chosen at random will be from different racial and ethnic groups.
Visualization
2020 Population and Housing State Data
Related Information
Page Last Revised - November 28, 2023
✕
Is this page helpful?
Yes
No
Yes
No✕
NO THANKS
255 characters maximum
255 characters maximum reached
255 characters maximum reached
✕
Thank you for your feedback.
Comments or suggestions?
Comments or suggestions?
Top