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Data & Maps
Access demographic, economic and population data from the U.S. Census Bureau. Explore census data with visualizations and view tutorials.
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Our surveys provide periodic and comprehensive statistics about the nation. This data is critical for government programs, policies, and decision-making.
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- 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
October 14, 2022
Guidance and access to information about congressional districts and congressional district products.
Redistricting Data Program State Legislative Districts
October 19, 2022
Guidance and access to information about state legislative districts and state legislative district products.
Decennial Census P.L. 94-171 Redistricting Data Summary Files
September 16, 2021
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
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.
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.
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
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.
Directors 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.
Directors 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.
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.
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.
Random Samplings Blog
Timeline for Releasing Redistricting Data
February 12, 2021
We expect to deliver the redistricting data to the states and the public by Sept. 30, 2021.
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.
Improving Disclosure Avoidance Procedures on the CPS Public Use File
This webinar goes over enhancements to disclosure protections on the Current Population Survey Public Use File (CPS PUF).
Demonstration Data: Demographic and Housing Characteristics File (DHC)
Learn more about the first round of demonstration data for the Demographic and Housing Characteristics File (DHC).
Status Update: Upcoming 2020 Census Data Products
Join Census Bureau subject matter experts for an update on plans for upcoming data products.
Planning for Upcoming 2020 Census Data Products
Join Alexandra Krause of the Census Bureau's Population Division to learn more about the 2020 Data Product Planning Crosswalk.
Data Tool
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
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.
Fact Sheet
La privacidad diferencial y el Censo del 2020
July 22, 2021
La Oficina del Censo de los EE. UU. ha mejorado y fortalecido la manera en que protegemos la privacidad de las personas cuando responden a encuestas y censos.
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.
Press Release
人口普查局就人数问题解决运作向政府官员提供了信息
December 15, 2021
美国人口普查局今天通过电子邮件向符合资格的政府官员发送了参与 2020 年人口普查人数问题解决运作的信息。
Press Release
Biwo Resansman an Bay Enfòmasyon sou Rezolisyon Kesyon Konte a
December 15, 2021
Jodi a Biwo Resansman Etazini voye bay fonksyonè gouvènman elijib yo yon imel ak enfòmasyon sou pran pa nan Operasyon Rezolisyon Kesyon Konte Resansman 2020 an.
Press Release
인구조사국은 집계 질문 해결에 대한 정보를 제공합니다
December 15, 2021
미국 인구조사국은 오늘 자격이 되는 정부 공무원들에게 2020년 센서스 인구조사 집계 질문 해결 작업 참여에 관한 정보를 이메일로 보냈습니다.
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
Comparing 2010 and 2020 Redistricting Data on data.census.gov
Many data users will want to access the newly release 2020 Redistricting Data and compare it with the previous 2010 Redistricting data.
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.
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
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 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
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
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
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 Population and Housing State Data
Visualization
Respuestas sobre raza del Censo del 2020 por origen hispano o latino
Related Information
Page Last Revised - December 17, 2021
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