31 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Bend | Deschutes County | 110,545 |
| Beaverton | Washington County | 98,674 |
| Bethany | Multnomah County | 34,251 |
| Baker City | Baker County | 10,134 |
| Bull Mountain | Clackamas County | 9,542 |
| Brookings | Curry County | 6,359 |
| Beavercreek | Clackamas County | 4,598 |
| Boardman | Morrow County | 4,594 |
| Bandon | Coos County | 3,299 |
| Burns | Harney County | 2,667 |
| Boring | Clackamas County | 1,989 |
| Brownsville | Linn County | 1,940 |
| Banks | Washington County | 1,827 |
| Bunker Hill | Coos County | 1,752 |
| Barview | Coos County | 1,599 |
| Bay City | Tillamook County | 1,377 |
| Bayside Gardens | Tillamook County | 1,266 |
| Bayshore | Lincoln County | 914 |
| Brooks | Marion County | 525 |
| Butte Falls | Jackson County | 428 |
| Bonanza | Klamath County | 420 |
| Butteville | Clackamas County | 239 |
| Barnesdale | Clatsop County | 193 |
| Beaver | Tillamook County | 187 |
| Bly | Klamath County | 151 |
| Beaver Marsh | Douglas County | 149 |
| Barlow | Clackamas County | 144 |
| Black Butte Ranch | Deschutes County | 115 |
| Beatty | Klamath County | 87 |
| Bellfountain | Benton County | 78 |
| Brogan | Malheur County | 27 |