31 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Bend | Deschutes County | 107,812 |
| Beaverton | Washington County | 96,568 |
| Bethany | Multnomah County | 33,567 |
| Baker City | Baker County | 10,285 |
| Bull Mountain | Clackamas County | 9,366 |
| Brookings | Curry County | 6,613 |
| Boardman | Morrow County | 4,550 |
| Beavercreek | Clackamas County | 4,544 |
| Bandon | Coos County | 3,288 |
| Burns | Harney County | 2,693 |
| Boring | Clackamas County | 2,484 |
| Bunker Hill | Coos County | 2,268 |
| Brownsville | Linn County | 1,949 |
| Banks | Washington County | 1,785 |
| Barview | Coos County | 1,697 |
| Bay City | Tillamook County | 1,385 |
| Bayshore | Lincoln County | 1,195 |
| Bayside Gardens | Tillamook County | 1,005 |
| Butte Falls | Jackson County | 433 |
| Bonanza | Klamath County | 415 |
| Butteville | Clackamas County | 290 |
| Brooks | Marion County | 289 |
| Barnesdale | Clatsop County | 231 |
| Beaver | Tillamook County | 227 |
| Bly | Klamath County | 158 |
| Beaver Marsh | Douglas County | 145 |
| Barlow | Clackamas County | 140 |
| Black Butte Ranch | Deschutes County | 66 |
| Bellfountain | Benton County | 54 |
| Beatty | Klamath County | 22 |
| Brogan | Malheur County | 20 |