Zip Code 97138 — Seaside, OR
97138 is a ZIP Code associated with Seaside, OR, located within Clatsop. 97138 ranks #2 out of 7 ZIP codes in Clatsop County by population (and #126 out of 427 in OR). The area supports an estimated population of 11,035 residents across Data Pending housing units, with a population density of 29.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (45.909460, -123.700360)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 97138 |
| Primary City | Seaside |
| State / Province | OR |
| County | Clatsop |
| Total Population | 11,035 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 29.2 people/sq mi |
| Timezone | America/Los_Angeles |
How 97138 Compares
| Metric | ZIP 97138 | Clatsop County | OR State Average |
|---|
| Population | 11,035 | 40,397 (Total) | 4,254,259 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 29.2 /sq mi | -- | -- |
| County Pop Rank | #2 of 7 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →