ZIP Code 98611
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.
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Area Profile
US Census (ACS 5-year · Gazetteer)
9,367
population
$81,630
median household income
69
people / sq mi
$382,000
median home value
$1,348
median gross rent
44.1
median age
3,687
housing units
3,476
households
136.1
land area (sq mi)
Key places in 98611
Points of interest
- grocery
- gas
- pharmacy
- fast_food
- bank
Brands
- Burger King (1)
- Chevron (1)
- Subway (1)