Region I - Eastern Oregon
InterMountain ESD serves Baker, Grant, Malheur, Morrow, Umatilla, Union, and Wallowa counties.
Region II - Central Oregon
High Desert ESD serves Crook, Deschutes, Gilliam, Harney Jefferson (includes the Confederated Tribes of Warm Springs), Sherman, and Wheeler counties.
Region III - Southern Oregon
Southern Oregon ESD serves Douglas, Jackson, Josephine, Klamath, and Lake counties.
Region IV - Cascade
Linn-Benton-Lincoln ESD serves Benton, Coos, Curry, Lincoln, and Linn counties.
Region V - Willamette
ESD serves Marion, Polk, and Yamhill counties.
Region VI - Columbia
Region VII - Lane
Lane ESD serves Lane County.
Northwest Regional ESD serves Clatsop, Columbia, Tillamook, and Washington counties.