Health Assessment
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Office of Health Assessment & Epidemiology


Contact Information

    Los Angeles County
    Department of Public Health,
    Office of Health Assessment &
    Health Assessment Unit,
    313 N. Figueroa Street, Room 127
    Los Angeles, CA 90012

    Phone:(213) 288-7785
    Fax:(213) 250-2594
Click Here for Driving Directions

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To Access or Request Los Angeles County Health Survey Data

Data Tables

Data tables from the Los Angeles County Health Survey (LACHS) are available here by survey year and topic. Other data are available in our reports.

Trend Tables

Trend data tables are included here by specific topic of interest.

Query System

The L.A. HealthDataNow! project was established by epidemiologists of the Department of Public Health (DPH) to close the gap on data accessibility. Utilizing tools commonly used by DPH analysts, programs can not only provide their data in an automated and flexible manner, but they can also incorporate automated statistical analysis into the query system. Ultimately, the goal of this project is to extend this query system to all DPH programs that have similar interests to make their public health data more accessible.

Click here to access the LA HealthDataNaow! query System for automated analysis of LACHS survey data.


General Data Requests

If there are specific LACHS data or analyses you need that are unavailable on our website, our staff can provide them. We routinely fulfill customized data requests for community-based organizations, advocacy groups, researchers writing grant proposals, and government agencies. Turn-around time is usually a minimum of 2 weeks, but varies depending on the nature and complexity of the request. Please call (213) 288-7785, Monday through Friday, for further assistance.


Data Requests for Research Collaborators

The Los Angeles County Health Survey (LACHS) data are available for health related research purposes by entering into a formal research agreement with the Office of Health Assessment and Epidemiology (OHAE). The Los Angeles County Department of Public Health (LAC-DPH) is interested in making the best possible use of the data and furthering collaborations with academic centers and other institutions. Requests to use the LACHS data sets are considered on a case-by-case basis.

pdf icon Click here for the guidelines for accessing LACHS data


Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.
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