Datasets
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Personal Property Data
Personal property typically includes items used by a company to conduct business. Generally, personal property does not include property which is attached to a building or to... -
King County Sheriff's Office - Use of Force Analysis (dashboard link)
Link to a dashboard showing an analysis of KCSO use of force incidents occurring in 2014, 2015, 2016, 2017, 2018 and 2019. Additional metadata available on link page. -
Water Quality
Prior to downloading data, please download the README file. This dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be... -
Unincorporated King County Housing, 2000 - 2010
Unincorporated King County Housing, 2010 U.S. Census; Source: US Census 2010, PL94-171 redistricting file, February 2011 -
Freshwater Swim Beach Data
This data represents the results of the King County Swim Beach program. These data are generally available from mid-May to late September during the swim beach monitoring... -
COVID-19 Impact on Daily Traffic
Changes in Transportation Patterns Follow Community Mitigation Policies in King County, WA -
City Health Profiles
A city health profile is a public health report that provides a comprehensive overview of the demographics for a specific city or neighborhood as well as information on a... -
Lake Washington Ship Canal outflow
Daily average and 7-day trailing mean discharge through the Lake Washington Ship Canal's Ballard Locks -
Food Establishment Inspection Data
Health Department inspection results for food service establishments in King County, 2006 to the present. This data is organized by Business / Inspection Date / Violation. Each... -
Real Property Tax Receivable Attributes Descriptions
This file contains Real Property Tax Receivables File layout and descriptions of codes used in that file. -
Real Property Tax Receivables
Please refer to the Real Property Tax Receivable Attributes Descriptions file for explanation. -
Hydrologic Information Center - Multi-parameter data
Search for Hydrology data by parameter, for a specified site. -
2008 Primary - Election Results by precinct (complete eCanvass dataset)
August 2008 primary election; final/official results by precinct. -
KCSO Offense Reports: 2020 to Present
The King County Sheriff’s Office (KCSO) is providing offense report data captured in it's Records Management System (RMS) from 2020 to present. KCSO replaced its RMS in late... -
Lake Washington water surface elevation
Daily mean elevation derived from hourly average data obtained from Army Corps of Engineers dataquery 2.0 -
Adult Jail Booking Jun 1, 2024 to May 31, 2025 as of Jun 3, 2025
The Jail Bookings Open Data dataset is provided by the King County Department of Adult and Juvenile Detention. The dataset contains adult jail bookings which have occurred... -
ICS Classes for Emergency Management Professionals
A schedule of training classes and exercises for emergency management professionals to learn FEMA's Incident Command System (ICS). https://kingcounty.gov/depts/emergency-...