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

2018 Health Care for the Homeless Network Annual Report
Public Health formalized a new governance structure to help steward Health Care for the Homeless Network (HCHN) as we enter our 23rd year serving King County’s most vulnerable residents.

Health Care for the Homeless Network: Racial Equity Caucusing Report, 2019
King County's Health Care for the Homeless Network engaged agency partners in a strategic process to advance racial equity in recognition of the disproportionate impacts of homelessness on people of color.

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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