Overall readiness to respond to the census has inched up since earlier this year, even as some key hard-to-count groups remain less enthusiastic than others.
The 2020 census began in Alaska in January, and the first numbers will be published by the end of the year.
Racial categories, which have been on every U.S. census, have changed from decade to decade, reflecting the politics and science of the times.
As the 2020 census gets underway, most U.S. adults are aware of it and are ready to respond, but many do not know what it asks or how to participate.
Explore the different race, ethnicity and origin categories used in the U.S. decennial census, from the first one in 1790 to the latest count in 2020.
Learn about why and how the U.S. census is conducted through five short lessons delivered to your inbox every other day.
Test your knowledge of the U.S. census with our 12-question quiz.
Most Americans say they're changing at least one everyday behavior to help protect the environment, but are they doing enough to make a difference?
U.S. military veterans and their families have consistently had higher standards of living than non-veterans over the past 40 years.
In a growing number of U.S. counties, a majority of residents are Hispanic or black, reflecting the nation's changing demographics.