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Oregon Cities that begin with O
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City
2024 Population
O'Brien
599
Oak Grove
17,289
Oak Hills
11,878
Oakland
962
Oakridge
3,141
Oatfield
13,233
Oceanside
479
Ochoco West
231
Odell
3,453
Ontario
11,792
Oregon City
36,886
Oregon Shores
363
Orient
242
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Cities in Oregon by First Letter