| 1 | Happy Valley city (east-northeast) | 9,643 |
| 2 | Damascus CDP (south-southwest) | 9,233 |
| 3 | Beavercreek CDP (west-northwest 2) | 8,455 |
| 4 | Estacada city (southeast) | 8,056 |
| 5 | Wilsonville city (northwest) | 7,580 |
| 6 | Happy Valley city (east-southeast) | 7,095 |
| 7 | Stafford CDP (north-northeast) | 7,084 |
| 8 | Mulino CDP (west) | 7,063 |
| 9 | Happy Valley city (north-northwest) | 6,947 |
| 10 | Stafford CDP (west-southwest) | 6,936 |
| 11 | Gladstone city (west-northwest) | 6,932 |
| 12 | Oak Grove CDP (south-southwest) | 6,873 |
| 13 | Sandy city (south) | 6,731 |
| 14 | Johnson City city (west) | 6,521 |
| 15 | Johnson City city (east) | 6,481 |
| 16 | Milwaukie city (east-northeast) | 6,473 |
| 17 | Sandy city (north) | 6,381 |
| 18 | Beavercreek CDP (north-northeast) | 6,306 |
| 19 | Rivergrove city (south-southwest) | 6,192 |
| 20 | Molalla city | 6,093 |
| 21 | Beavercreek CDP (east) | 6,086 |
| 22 | Beavercreek CDP (west-northwest 3) | 6,075 |
| 23 | Jennings Lodge CDP (north) | 5,915 |
| 24 | Mulino CDP (south-southwest) | 5,690 |
| 25 | Happy Valley city (west-northwest 1) | 5,571 |
| 26 | West Linn city (southwest) | 5,417 |
| 27 | Rivergrove city (north) | 5,390 |
| 28 | Oatfield CDP (east-southeast) | 5,383 |
| 29 | Wilsonville city (east 2) | 5,357 |
| 30 | Estacada city (north) | 5,280 |
| 31 | Milwaukie city (southeast) | 5,257 |
| 32 | Boring CDP (west-northwest) | 5,241 |
| 33 | Mulino CDP (northeast) | 5,229 |
| 34 | Milwaukie city (south-southwest) | 5,201 |
| 35 | Rhododendron CDP (north-northwest) | 5,135 |
| 36 | Milwaukie city (south) | 5,110 |
| 37 | Mulino CDP (east-southeast) | 5,085 |
| 38 | Oatfield CDP (north-northwest) | 5,072 |
| 39 | Happy Valley city (south-southeast 2) | 5,051 |
| 40 | Lake Oswego city (northwest) | 4,963 |
| 41 | Milwaukie city (north-northeast) | 4,625 |
| 42 | Boring CDP (east-southeast) | 4,618 |
| 43 | Wilsonville city (west-southwest) | 4,604 |
| 44 | Mulino CDP (north-northwest 1) | 4,541 |
| 45 | Canby city (north) | 4,530 |
| 46 | Gladstone city (east-southeast) | 4,497 |
| 47 | Oregon City city (west-southwest) | 4,473 |
| 48 | Milwaukie city (west-northwest) | 4,454 |
| 49 | Oatfield CDP (south-southwest) | 4,440 |
| 50 | Johnson City city (north) | 4,439 |
| 51 | Rivergrove city (north-northwest) | 4,422 |
| 52 | Happy Valley city (west-northwest 2) | 4,376 |
| 53 | Milwaukie city (northwest) | 4,346 |
| 54 | Rivergrove city (south-southeast) | 4,345 |
| 55 | Oregon City city (northeast) | 4,330 |
| 56 | Lake Oswego city (southeast) | 4,329 |
| 57 | Oregon City city (east) | 4,329 |
| 58 | Damascus CDP (north-northeast) | 4,307 |
| 59 | Stafford CDP (south-southeast) | 4,052 |
| 60 | Lake Oswego city (south-southwest) | 3,984 |
| 61 | Stafford CDP (east-southeast) | 3,973 |
| 62 | Beavercreek CDP (south-southwest) | 3,924 |
| 63 | Barlow city (west) | 3,917 |
| 64 | Canby city (south) | 3,812 |
| 65 | Mulino CDP (north-northwest 2) | 3,693 |
| 66 | Estacada city (west-southwest) | 3,648 |
| 67 | Johnson City city (south) | 3,594 |
| 68 | Beavercreek CDP (west-northwest 1) | 3,585 |
| 69 | Happy Valley city (south-southeast 1) | 3,516 |
| 70 | Jennings Lodge CDP (southeast) | 3,476 |
| 71 | Beavercreek CDP (southeast) | 3,473 |
| 72 | Wilsonville city (east 1) | 3,469 |
| 73 | Mount Hood Villages CDP | 3,385 |
| 74 | West Linn city (northeast) | 3,247 |
| 75 | Barlow city (south-southeast) | 3,129 |
| 76 | Oak Grove CDP (north-northeast) | 3,078 |
| 77 | Oregon City city (north) | 3,065 |
| 78 | Stafford CDP (north) | 3,064 |
| 79 | Barlow city (north) | 2,866 |
| 80 | Mulino CDP (south-southeast) | 2,817 |
| 81 | Jennings Lodge CDP (west-northwest) | 2,784 |
| 82 | Lake Oswego city (west-northwest) | 2,634 |
| 83 | Lake Oswego city (south-southeast) | 2,508 |
| 84 | Lake Oswego city (east-northeast) | 2,441 |
| 85 | Lake Oswego city (north) | 2,341 |
| 86 | Rhododendron CDP (northeast) | 2,165 |
| 87 | Rhododendron CDP (south-southwest) | 80 |