Explore Castle Rock, Washington, with this interactive street and satellite map. You can “grab” the Castle Rock, WA street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
| City | Castle Rock |
| State | Washington (WA) |
| County | Cowlitz |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 46.275111 |
| Longitude | -122.907614 |
| Population | 2,217 |
| Density | 423.6 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 98611 |
| Area Code | 360 |
| County Seat | Kelso |
| School District | Castle Rock School District |
Castle Rock is a locality in Cowlitz County, Washington, United States. It has a population of approximately 2,217. The population density is 423.6 people per km². Castle Rock is located at 46.2751°N, 122.9076°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 98611.
Castle Rock sits at the confluence of the Cowlitz and Columbia Rivers, a place where the land itself seems to breathe a damp, evergreen scent. It lies 8.9 miles north of Kelso, WA (from Kelso, WA: bearing 0°T), and is situated 9.6 miles north of Longview. The terrain here is a study in gentle transitions, the broad, slow-moving waters of the Columbia meeting the more energetic currents of the Cowlitz, their meeting point marked by a verdant expanse of riparian growth. Beyond the immediate riverbanks, the land rises in soft, forested swells, a prelude to the more dramatic, snow-capped peaks that often grace the distant horizon under the long, literate PNW gray. The air itself carries a certain weight, a cool, moist kiss that speaks of the nearby Pacific and the dense, moss-draped forests that dominate the western slopes of the Cascades. The history of Castle Rock is deeply entwined with the river trade that once pulsed through this region, a lifeline for early settlers and loggers. For generations, the economy here was shaped by the bounty of the forests and the fertile soil deposited by the rivers, an agrarian rhythm that still echoes in the surrounding farms and orchards. The town itself, a modest collection of buildings gathered around the main thoroughfares, carries the quiet character of a place that has seen its share of change but remains grounded in its connection to the natural world. There's a palpable sense of continuity, a feeling that the present is built upon the solid foundations of those who navigated these waters and cleared these lands before.
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This page provides an embedded street and satellite map of Castle Rock, Washington — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 46.275111, -122.907614. 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 Castle Rock and Cowlitz County.
Detailed location data for Castle Rock includes the ZIP code (98611), telephone area code (360), county seat of Cowlitz County (Kelso), and school district assignment (Castle Rock 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 Castle Rock 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. |