What percentage of Oregon's population
was Black?

2.2%

White alone, percent  86.7%

Black or African American alone, percent 2.2%

American Indian and Alaska Native alone, percent 1.8%

Asian alone, percent  4.9%

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to