California Health Interview Survey

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Take the California Health Survey

Learn more about the California Health Survey.

Did you know?

CHIS surveyed 22,661 households in 2020, including 21,949 adults, 1,365 adolescents, and 3,548 children. Collectively, the CHIS 2019-2020 cycle surveyed close to 45,400 households.

See CHIS facts.

Need a Health Statistic?

AskCHIS and AskCHIS NE are two FREE online tools that enable you to search for health statistics by:

State
County
SPA

Learn more at: ask.chis.ucla.edu

ZIP codes
Cities
Legislative districts!

Learn more at: http://askchisne.ucla.edu

Media can get quick data on health insurance, chronic diseases, cancer, HPV and many other topics from the Center's Communications Department.

Call us: 310-794-0930

Or email:
healthpolicy@ucla.edu

Welcome to CHIS

The California Health Interview Survey (CHIS) is the nation's largest state health survey and a critical source of data on Californians as well as on the state's various racial and ethnic groups. Policymakers, researchers, health experts, members of the media and others depend on CHIS for credible and comprehensive data on the health of Californians.

About CHIS

Policymakers, researchers, health experts, members of the media and others depend on the California Health Interview Survey (CHIS) for credible and comprehensive data on the health of Californians. Learn more about who and where CHIS interviews, survey topics, our partners, funders and more in About CHIS.