ZIP codes starting with 978
- ZIP codes
- 54
- States
- OR
- Largest city
- Hermiston, OR
- Population
- 152,109
The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.
Every ZIP code in 978xx
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
97801 | Pendleton , OR | Standard | 21,575 | $71,639 | $293,000 |
97810 | Adams , OR | Standard | 759 | $68,654 | $281,300 |
97812 | Arlington , OR | Standard | 932 | $77,258 | $293,500 |
97813 | Athena , OR | Standard | 1,508 | $75,700 | $241,200 |
97814 | Baker City , OR | Standard | 12,590 | $64,852 | $294,400 |
97817 | Bates , OR | Standard | 13 | — | — |
97818 | Boardman , OR | Standard | 5,610 | $61,523 | $275,700 |
97819 | Bridgeport , OR | Standard | 17 | $55,000 | $116,700 |
97820 | Canyon City , OR | Standard | 1,568 | $67,115 | $206,600 |
97823 | Condon , OR | Standard | 1,014 | $57,727 | $150,500 |
97824 | Cove , OR | Standard | 2,117 | $80,263 | $413,700 |
97825 | Dayville , OR | Standard | 347 | $67,500 | $233,600 |
97826 | Echo , OR | Standard | 1,178 | $58,750 | $423,700 |
97827 | Elgin , OR | Standard | 2,384 | $60,766 | $262,500 |
97828 | Enterprise , OR | Standard | 3,522 | $58,850 | $397,400 |
97830 | Fossil , OR | Standard | 800 | $54,583 | $250,000 |
97833 | Haines , OR | Standard | 863 | $83,750 | $350,000 |
97834 | Halfway , OR | Standard | 1,395 | $43,889 | $366,300 |
97835 | Helix , OR | Standard | 608 | $132,292 | $232,600 |
97836 | Heppner , OR | Standard | 1,998 | $88,591 | $222,600 |
97837 | Hereford , OR | Standard | 78 | — | $91,700 |
97838 | Hermiston , OR | Standard | 28,512 | $69,599 | $306,500 |
97839 | Lexington , OR | Standard | 116 | $40,568 | $211,400 |
97840 | Oxbow , OR | Standard | 107 | $85,469 | — |
97841 | Imbler , OR | Standard | 370 | $73,750 | $267,900 |
97842 | Imnaha , OR | Standard | 116 | — | $386,700 |
97843 | Ione , OR | Standard | 805 | $104,435 | $221,500 |
97844 | Irrigon , OR | Standard | 3,701 | $76,090 | $232,400 |
97845 | John Day , OR | Standard | 2,265 | $68,036 | $248,700 |
97846 | Joseph , OR | Standard | 2,067 | $71,471 | $383,200 |
97848 | Kimberly , OR | Standard | 217 | $50,000 | $391,700 |
97850 | La Grande , OR | Standard | 16,903 | $63,421 | $298,100 |
97856 | Long Creek , OR | Standard | 485 | $44,318 | $225,000 |
97857 | Lostine , OR | Standard | 483 | $68,375 | $562,500 |
97859 | Meacham , OR | Standard | 95 | $61,250 | $173,300 |
97861 | Mikkalo , OR | No street area | — | — | — |
97862 | Milton Freewater , OR | Standard | 12,313 | $54,786 | $274,900 |
97864 | Monument , OR | Standard | 316 | $39,202 | — |
97865 | Mount Vernon , OR | Standard | 921 | $59,247 | $185,600 |
97867 | North Powder , OR | Standard | 947 | $83,846 | $152,000 |
97868 | Pilot Rock , OR | Standard | 1,598 | $91,813 | $218,200 |
97869 | Prairie City , OR | Standard | 838 | $56,875 | $216,600 |
97870 | Richland , OR | Standard | 585 | $57,159 | $209,600 |
97873 | Seneca , OR | Standard | 109 | $39,821 | $156,300 |
97874 | Spray , OR | Standard | 262 | $58,636 | $342,500 |
97875 | Stanfield , OR | Standard | 2,410 | $57,451 | $208,900 |
97876 | Summerville , OR | Standard | 995 | $119,531 | $435,600 |
97877 | Sumpter , OR | Standard | 314 | $25,662 | — |
97880 | Ukiah , OR | Standard | 248 | — | — |
97882 | Umatilla , OR | Standard | 7,976 | $69,223 | $244,800 |
97883 | Union , OR | Standard | 2,489 | $65,172 | $239,100 |
97884 | Unity , OR | Standard | 84 | $45,694 | $416,700 |
97885 | Wallowa , OR | Standard | 1,365 | $76,645 | $402,900 |
97886 | Weston , OR | Standard | 1,221 | $92,955 | $252,500 |
Cite this page
zipcodes.pro. “ZIP codes starting with 978.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/978
Underlying data is public domain or openly licensed — sources, vintages and licences.