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| City | Ocosta |
| State | Washington (WA) |
| County | Grays Harbor |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 46.888702 |
| Longitude | -124.038504 |
| Population | 235 |
| Density | 21.5 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 98520 |
| Area Code | 425 |
| County Seat | Montesano |
| School District | Ocosta School District |
Ocosta is a locality in Grays Harbor County, Washington, United States. It is a small community with a population of 235. The population density is 21.5 people per km². Ocosta is located at 46.8887°N, 124.0385°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 98520.
Ocosta rests on a narrow strip of land, a sentinel between the vast, restless Pacific and the winding waterways of Grays Harbor. It lies 17.5 miles west-south-west of Grays Harbor, WA (from Grays Harbor, WA: bearing 245°T), and is situated 9.5 miles south-west of Hoquiam. The air here, perpetually damp and tinged with salt, clings to everything, softening the sharp edges of the weathered docks and the muted greens of the coastal flora. Gulls wheel overhead, their calls a constant, mournful counterpoint to the murmur of the surf, and the low, rhythmic sigh of the wind through the sparse, hardy trees. This is a place where the horizon feels immense, a canvas of ever-shifting grays and blues, and where the land itself seems to breathe with the incoming tide, its sandy stretches yielding to the persistent embrace of the ocean. The history of Ocosta is inextricably linked to the bounty and the challenges of the sea. Once a bustling hub for oyster harvesting, the town's economy still carries the faint scent of brine and the memory of industry. The oyster beds, though diminished, remain a quiet testament to a past when this sheltered inlet teemed with life, a source of sustenance and livelihood for generations. Today, a quieter, more introspective pace prevails, punctuated by the comings and goings of small fishing boats and the murmur of conversation in the few, enduring local establishments. The landscape itself whispers of this past, with remnants of old wharves and the persistent, earthy smell of mudflats at low tide, a constant reminder of the deep connection Ocosta shares with the water.
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This page provides an embedded street and satellite map of Ocosta, Washington — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 46.888702, -124.038504. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Ocosta and Grays Harbor County.
Detailed location data for Ocosta includes the ZIP code (98520), telephone area code (425), county seat of Grays Harbor County (Montesano), and school district assignment (Ocosta School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Ocosta is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |