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Voter Registration by Census Tract
This web map displays data from the voter registration database as the percent of registered voters by census tract in King County, Washington. The data for this web map is... -
CDC Social Vulnerability Index (CDCSVI)
The Centers for Disease Control Social Vulnerability Index shows which communities are especially at risk during public health emergencies because of factors like socioeconomic... -
Superior Court Clerk - Records Access Portal
The KC-Clerk's public portal provides King County Superior Court case number and participant name search functionality and access to case information. Accessible cases include... -
King County Parcel Viewer
Parcel Viewer makes searching for King County parcel information easy. You can search by address, search by parcel number, or you can just zoom in on the map and click on a... -
Adult Jail Booking Nov 1, 2024 to Oct 31, 2025 as of Nov 4, 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... -
August 2025 Primary Election - Election Night Precinct Results
Election Night precinct level results for the August 5, 2025 Primary Election in King County, WA. -
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... -
November 2024 General Election Final Precinct Results
Final precinct level results for the November 5, 2024 General Election in King County, WA. -
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... -
District Court - Case Search
Search for and view case information on King County District Court (KCDC) Civil cases (excludes Small Claims, Name Changes, Impounds and Protection Orders). Users can also... -
Lead Content of Consumer Products tested in King County, Washington
Public Health – Seattle & King County and the Hazardous Waste Management Program are providing data describing the lead content of consumer products. This data is collected... -
Health Disparities Dashboard
Racial/ethnic health disparities are higher rates of serious health conditions or deaths that affect communities of color. These disparities can result in shorter lifespans and... -
November 2025 General Election - Election Night Precinct Results
Election Night Precinct Results for the November 4, 2025 General & Special Election. -
Whidbey Basin CTD Casts
This dataset contains in situ water column data at offshore monitoring stations using a Conductivity Temperature Depth (CTD) sensor for the Whidbey Basin. A CTD is a multi-... -
Routine Marine Sediment Chemistry
Prior to downloading data, please download the README file. This dataset contains chemistry results from marine sediment sample collected from offshore (subtidal) and beaches... -
King County Metro - Developer Resources
General Transit Feed Specification (GTFS) is an open format spec used by hundreds of transit agencies to power transit directions in a variety of Web and transit apps, including... -
King County Metro Flex
Metro Flex is your on-demand neighborhood transit service. With one simple app—and just a few taps—you can ride anywhere in the service area, all for the same cost as a bus... -
2012 General - Election Results by precinct (complete eCanvass dataset)
November 2012 general election; final/official results by precinct.
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