City | 2024 Population |
|---|---|
| Camp Sherman | 299 |
| Canby | 17,952 |
| Cannon Beach | 1,542 |
| Canyon City | 649 |
| Canyonville | 1,673 |
| Cape Meares | 305 |
| Carlton | 2,220 |
| Cascade Locks | 1,382 |
| Cascadia | 123 |
| Cave Junction | 2,038 |
| Cayuse | 55 |
| Cedar Hills | 8,638 |
| Cedar Mill | 19,479 |
| Central Point | 19,362 |
| Chemult | 21 |
| Chenoweth | 1,731 |
| Cherry Grove | 472 |
| Cheshire | 365 |
| Chiloquin | 778 |
| Clatskanie | 1,774 |
| Cloverdale | 190 |
| Coburg | 1,297 |
| Columbia City | 1,932 |
| Condon | 713 |
| Coos Bay | 15,695 |
| Coquille | 4,050 |
| Cornelius | 16,082 |
| Corvallis | 61,978 |
| Cottage Grove | 10,820 |
| Cove | 615 |
| Crabtree | 549 |
| Crane | 222 |
| Crawfordsville | 591 |
| Crescent | 198 |
| Crescent Lake | 28 |
| Creswell | 5,630 |
| Crooked River Ranch | 4,402 |
| Culver | 1,708 |