King CountyFor more information about this layer please see the GIS Data Catalog . Washington State Department of Health provides and index of Environmental Health Disparities for all the census tracts in Washington. For this layer, the index has been recalculated for just the census tracts in King County. Both deciles (ranks 1 - 10) and quintiles (ranks 1 - 5) have been calculated for cardiovascular disease, low birth weight, people without a high school diploma, people who speak English less than "very well" or "not at all", people living at or below 185% of federal poverty level, people of color, transportation costs, unemployment, housing costs, people exposed to air pollution near busy road ways, exposure to diesel emissions, exposure to average ozone, exposure to particulate matter, exposure to toxic releases, proximity to hazardous waste generators, exposure to lead, proximity to Superfund sites, proximity to facilities with highly toxic substances, proximity to wastewater discharge, general environmental exposure, general environmental effects, general sensitive populations, general socioeconomic factors, and overall environmental health disparities. Please see the Washington environmental health disparities page for more information: https://www.doh.wa.gov/DataandStatisticalReports/WashingtonTrackingNetworkWTN/InformationbyLocation/WashingtonEnvironmentalHealthDisparitiesMapArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/ed0d7d3dd8584ba1810cb2ea6e606d3a_0engKing County GIS Open DataPublicWADOH Environmental Health Disparities Index Calculated for King County [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2025-07-12