Oregon Counties with the most and highest percentage of democrat voters; the most and highest percentage of republican voters and the most and highest percentage of other voters in the 2016 presidential election.

Oregon Metropolitan Areas: Albany - Astoria - Bend-Redmond - Brookings - Coos Bay - Corvallis - Eugene - Grants Pass - Hermiston-Pendleton - Hood River - Klamath Falls - La Grande - Medford - Newport - Ontario - Portland-Vancouver-Hillsboro - Prineville - Roseburg - Salem - The Dalles