Founded in 1847, Benton County is one of 36 counties in the state of Oregon. Historically, Benton County was formed from Polk County. The city of Corvallis is the county seat. With FIPS code of 3, Benton County has a population of 96,017 and area of 676 square miles (1,751 km2).
List of all cities in Benton County, OR alphabetically
| City/Town | Postal Code | Area Code |
| Adair Village, OR | 97330 | 541 |
| Alpine, OR | 97456 | 541 |
| Alsea, OR | 97324 | 541 |
| Blodgett, OR | 97326 | 541 |
| Corvallis, OR | 97330 | 541 |
| 97331 | 541 | |
| 97333 | 541 | |
| 97339 | 541 | |
| Monroe, OR | 97456 | 541 |
| Oregon State University, OR | 97331 | 541 |
| Philomath, OR | 97370 | 541 |