Founded in 1853, Tillamook County is one of 36 counties in the state of Oregon. Historically, Tillamook County was formed from Clatsop, Yamhill and Polk Counties. The city of Tillamook is the county seat. With FIPS code of 57, Tillamook County has a population of 27,748 and area of 1,102 square miles (2,854 km2).
List of all cities in Tillamook County, OR alphabetically
| City/Town | Postal Code | Area Code |
| Bay City, OR | 97107 | 503/971 |
| Beaver, OR | 97108 | 503/971 |
| Brighton, OR | 97136 | 503/971 |
| Cape Meares, OR | 97141 | 503/971 |
| Cloverdale, OR | 97112 | 503/971 |
| Garibaldi, OR | 97118 | 503/971 |
| Hebo, OR | 97122 | 503/971 |
| Lees Camp, OR | 97141 | 503/971 |
| Manhattan Beach, OR | 97136 | 503/971 |
| Manzanita, OR | 97130 | 503/971 |
| Mohler, OR | 97131 | 503/971 |
| Neahkahnie, OR | 97131 | 503/971 |
| Nehalem, OR | 97131 | 503/971 |
| Neskowin, OR | 97149 | 503/971 |
| Netarts, OR | 97143 | 503/971 |
| Netarts Bay, OR | 97143 | 503/971 |
| Oceanside, OR | 97134 | 503/971 |
| Pacific City, OR | 97135 | 503/971 |
| Rockaway, OR | 97136 | 503/971 |
| Rockaway Beach, OR | 97136 | 503/971 |
| Tillamook, OR | 97141 | 503/971 |
| Twin Rocks, OR | 97136 | 503/971 |
| Wheeler, OR | 97147 | 503/971 |