ArcGIS REST Services Directory

Generate KML (Demographics/USA_Population_Density)

Document Name:
Layers:
    Persons per square mile(0)
      Block Groups(1)
      Tracts(2)
      Counties(3)
      States(4)
Layer Options: All layers as a single composite image (Layers can't be turned on and off in client)
Each layer as a separate image
Vector layers as vectors and raster layers as images