ZIP CodesZIP codes in Polk County, Oregon
Polk County, Oregon has 7 ZIP codes in this list, from 97304 to 97371. They cover 7 places, among them Salem, Dallas, Falls City and Grand Ronde.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 97304 | Salem | 56.8 | 44.959, -123.075 |
| 97338 | Dallas | 125 | 44.922, -123.320 |
| 97344 | Falls City | 11.5 | 44.871, -123.446 |
| 97347 | Grand Ronde | 47.3 | 45.075, -123.633 |
| 97351 | Independence | 52.3 | 44.848, -123.188 |
| 97361 | Monmouth | 133 | 44.838, -123.251 |
| 97371 | Rickreall | 31.7 | 45.020, -123.206 |
The ZIP code areas of Polk County add up to about 457 square miles of land (1,185 sq km) as the Census Bureau draws them. The largest is 97361 (Monmouth), with 133 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Salem, OR 97304.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.