Castle Rock
City in Cowlitz County, Washington

Castle Rock is a city in Cowlitz County, Washington, with 2,446 residents (2020 Census). It sits at 59 ft (18 m) above sea level. The nearest town is Lexington, 5.7 miles S.
- 2,446residents (2020 Census)
- 59 ftelevation · 18 m
- 2.1 sq miland area · 5.4 km²
- 1,168 / sq mipopulation density
- 98611ZIP code
About Castle Rock
Castle Rock is a city in Cowlitz County, Washington, United States. Located between the Willapa Hills and the western base of Mount St. Helens, Castle Rock is at the heart of Washington timber country in the Pacific temperate rain forest. Castle Rock is part of the Longview, Washington Metropolitan Statistical Area; the population was 2,446 as of the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
Castle Rock weather: 7-day forecast
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Living in Castle Rock
- Median household income
- $69,639
- Median home value
- $348,600
- Median rent
- $1,222/mo
- Median age
- 33.9
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Map of Castle Rock
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Castle Rock Street View
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Open in Google Maps ›Castle Rock, WA population
Castle Rock had 2,446 residents in the 2020 Census.
| 2020 Census | 2,446 |
|---|---|
| Density | 1,168 per sq mi (451 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Castle Rock at a glance
| State | Washington (WA) |
|---|---|
| County | Cowlitz County |
| Type | City |
| Population | 2,446 (2020) |
| Land area | 2.09 sq mi (5.4 km²) |
| Water area | 0.23 sq mi (0.59 km²) |
| Elevation | 59 ft (18 m) |
| Coordinates | 46.2719° N, 122.9037° W |
| ZIP code | 98611 |
| Official website | ci.castle-rock.wa.us |
| Census code (GEOID) | 5310565 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Castle Rock
- Lexington5.7 mi S
- Longview Heights6.8 mi S
- Beacon Hill7.0 mi S
- Longview9.2 mi S
- Vader9.5 mi N
- Ryderwood9.8 mi NW
- Kelso10.7 mi S
- Toledo12.2 mi N
- Rainier, OR14.8 mi S
- Winlock15.1 mi N
- Prescott, OR15.4 mi S
- Kalama17.9 mi S
Straight-line distance between town centers.
Frequently asked questions about Castle Rock
What county is Castle Rock in?
Castle Rock is in Cowlitz County, Washington.
What is the population of Castle Rock, WA?
2,446 people lived in Castle Rock at the 2020 Census.
What is the ZIP code of Castle Rock, WA?
The ZIP code of Castle Rock is 98611.
What is the elevation of Castle Rock?
59 feet (18 m) above sea level.
What towns are near Castle Rock?
Lexington (5.7 mi), Longview Heights (6.8 mi), Beacon Hill (7.0 mi), Longview (9.2 mi), Vader (9.5 mi).
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