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...

April 2011 special election; final/official results by precinct.

The number of people who rode public transportation in Washington State, by Census tract and year (2010 to most recently available ACS data)

Legal Descriptions for parcels in King County

This file contains Real Property Tax Receivables File layout and descriptions of codes used in that file.

November 2016 general election; election night results report by precinct.

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...

Domestic Violence, Child & Elder Maltreatment and Child Protective Service Investigation and Assessment Counts in King County in King County

Data collected from lake monitoring buoys throughout King County

Parcels currently in foreclosure status with King County. https://kingcounty.gov/depts/finance-business-operations/treasury/foreclosure/current-foreclosure-action/foreclosure-...

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...

This dataset contains phytoplankton samples collected from Puget Sound and analyzed using a particle imaging analyzer (FlowCAM®). For more information see the King County marine...

August 2015 primary election; final/official results by precinct.

Behavioral Health Needs and Services in King County

The Employee Giving Program (EGP) is the workplace giving program for employees of King County government. It was established in 1988 to create an easy and cost-effective way...

August 2016 primary election; final/official results by precinct.

Daily average and 7-day trailing mean discharge through the Lake Washington Ship Canal's Ballard Locks

Final precinct level results for the November 2, 2021 General Election.

Election night precinct level results for the August 2, 2022 Primary Election.

This dataset contains cash and in-kind contributions, (including unpaid loans) made to Washington State Candidates and Political Committees for the last 10 years as reported to...