| ZIP Codes: | 7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 503 / 971 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:13:27 PM |
| Population: | 40,397 [See All] |
| FIPS: | 41007 |
| CBSA: | Astoria, OR |
| Land Area: | 784 sq mi |
| Water Area: | 21 sq mi |
| Coordinates: | 45.9826, -123.8599 |
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40,397 residents live across 7 ZIPs covering 784 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 36,363 to 40,397 from 2014 to 2024 — a +11.1% change. 5 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 97145 (Tolovana Park, $147,647 median) and poorest ZIP 97121 (Hammond, $59,470) are 22.1 miles apart — a 2.5× income gap across local geography.
Median home values vary 2.0× across this county — from $426,700 in 97121 (Hammond) to $840,200 in 97145 (Tolovana Park).
Density varies 22× across the county — from 13 people/sq mi in 97102 (Arch Cape) to 289 in 97146 (Warrenton).
Educational attainment ranges from 21.5% bachelor's+ in 97121 (Hammond) to 69.6% in 97145 (Tolovana Park) — the breadth of educational profiles across the area.
Within Oregon, this is the #19 most populous of 38 counties and ranks #12 for median household income with the #6 fastest decade growth .
Weighted by population, the typical household earns about $72,574 across the county — reflecting what a typical resident sees, not a simple ZIP average.
29.2% of adults age 25+ hold a bachelor's degree or higher (8,927 of 30,580 reporting).
5 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 97103 | Astoria | Standard | 17,993 | $75,147 | 335.2 | 5.0% |
| 97138 | Seaside | Standard | 11,035 | $60,411 | 375.0 | 9.8% |
| 97146 | Warrenton | Standard | 8,099 | $82,936 | 28.0 | 39.1% |
| 97121 | Hammond | Standard | 1,444 | $59,470 | 8.4 | -7.8% |
| 97110 | Cannon Beach | PO Box | 1,135 | $68,500 | 13.1 | -13.6% |
| 97145 | Tolovana Park | PO Box | 367 | $147,647 | 0.0 | 60.3% |
| 97102 | Arch Cape | Standard | 324 | — | 24.3 | 33.9% |