Castle Rock, Washington
Castle Rock is a city in Cowlitz County, Washington, with an estimated population of 2,437 in 2023. It sits at 46.2719, -122.9039 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| Place name | Castle Rock |
| Type | city |
| State | Washington (WA) |
| County | Cowlitz County |
| Population (2023 est.) | 2,437 |
| Land area | 2.10 sq mi (5.43 km²) |
| Coordinates | 46.2719, -122.9039 |
| Time zone | America/Los_Angeles |
| ZIP codes | 98611 |
ZIP codes and area codes for Castle Rock
Castle Rock covers 1 ZIP code: 98611. Browse all ZIP codes in Washington for the full list.
Where is Castle Rock?
Castle Rock is located in Washington, in Cowlitz County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Longview 15 km · WAVader 15 km · WAKelso 17 km · WAToledo 20 km · WARainier 22 km · ORWinlock 24 km · WAKalama 29 km · WAClatskanie 30 km · OR
Other places in Cowlitz County
Frequently asked questions
What county is Castle Rock, WA in?
Castle Rock is in Cowlitz County, Washington.
What is the population of Castle Rock, WA?
The 2023 Census Bureau estimate is 2,437.
What time zone is Castle Rock in?
Castle Rock is in the America/Los_Angeles time zone.