ZIP 97880 falls in Umatilla County, Oregon, where we hold 8,642 parcels measured as septic county-wide and 20,130 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 97880.
ZCTA 97880 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Umatilla County, Oregon | 85% | — | 8,642 | 20,130 |
| Grant County, Oregon | 15% | 6 | — | — |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 8,642 parcels measured as septic for Umatilla County, Oregon as a whole, not broken out by ZIP.
ZIP 97880 spans 2 counties: Umatilla County, Oregon, Grant County, Oregon.