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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 Sep 1, 2024 to Aug 31, 2025 as of Sep 2, 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... -
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. -
Unincorporated King County Population, 2000 - 2010
Unincorporated King County Population, 2010 U.S. Census; Source: US Census 2010, PL94-171 redistricting file, February 2011 -
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... -
COVID-19 Impact on Unemployment Claims
Unemployment in King County resulting from strategies to slow the spread of COVID-19 -
Groundwater Well Data Viewer
The King County Groundwater Protection Program maintains a database of groundwater wells, water quality and water level sampling data. Users may search the database using Quick... -
August 2025 Primary Election - Final Precinct Results
Final precinct level results for the August 5, 2025 Primary & Special Election. -
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... -
Total King County Population, 2000 - 2010
King County Population, 2010 U.S. Census; Source: US Census 2010, PL94-171 redistricting file, February 2011 -
Lake Washington water surface elevation
Daily mean elevation derived from hourly average data obtained from Army Corps of Engineers dataquery 2.0 -
Real Property Tax Receivables
Please refer to the Real Property Tax Receivable Attributes Descriptions file for explanation. -
Homelessness and COVID-19
Updated every Thursday People experiencing homelessness are at risk for infection through community spread of COVID-19. The data below describes impacts of COVID-19 on...