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Providing regular, updated data on the health of King County's population is a core function of Public Health — Seattle & King County. Data is intended to inform the community, including policy makers, medical personnel, researchers, community-based organizations, government agencies and individuals to understand and respond to diseases, threats and underlying conditions impacting our health.

Data highlights

2018 King County Medical Examiner's Office Annual Report
The Medical Examiner's Office 2018 Annual Report reflects the activities pertaining to the investigation of deaths in King County. For comparison data, see past annual reports.


Trends and Characteristics in Marijuana Use Among Public School Students, 2004–2016
Youth marijuana use can have adverse health outcomes. The data in this report reflects trends of past 30-day marijuana use and perception of harm among King County public school students between 2004 and 2016.

2018 Overdose Death Report
This report describes drug and alcohol-caused deaths investigated by the King County Medical Examiner's Office. Learn more.

The Assessment, Policy Development and Evaluation Unit's primary work is assessment and evaluation of population-based data and interventions, integrating qualitative analysis, and policy development. We are a multidisciplinary group of epidemiologists, social research scientists, and policy specialists. We collaborate with community and other Public Health — Seattle & King County divisions, using and developing state-of-the-art techniques for data collection and analysis. Our goal is to provide leadership and technical assistance for population-level health assessment, data-driven program planning, program evaluation, and policy.

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