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Need help? giscenter@kingcounty.gov
Responses: M-F, 8am-5pm.

Download data

More than 700 GIS data layers and tables are freely available from the following two sites.

  • New! Launched in August 2017
  • A large and soon-to-be growing subset of popular layers
  • Explore, view, download, and map the data
  • Our familiar workhorse site
  • Contains all 700+ GIS data layers and tables
  • Simple file download

To use our GIS data you will need GIS or mapping software.

More King County data

  • Data.KingCounty.gov
    King County's Socrata site where you can access, view, and download any of more than a thousand datasets.
  • Elections data
    Access downloadable data for elections results.
  • Assessments data download
    Extracts from the Assessments database available for direct download.
  • LocalScape
    King County Department of Assessments community map and data portal. Includes downloadable data.
  • Metro Transit developer resources
    Includes a link to Metro's GTFS (general transit feed specification) data files.