Portland is the largest city in the state of Oregon.
Portland is the largest city in the American state of Oregon.
It is uncertain when the infection hit Portland, but it can be assumed it happened after the infection kicked off in Los Angeles. Like LA, the infection spread quickly due to poor knowledge on the nature of the infection.
In the Fear the Walking Dead: Radio Waves podcast, a nameless man living in Portland broadcasts his plan to set sail for Tokyo due to the infection.
George Geary later mentions Portland in a list of cities that have being bombed by the military in order to contain the spread of the infection.