Information
Demographics
Population: 2593
2010 Demographic Profile Data
Data USA Profile Data
Established: December 12, 1888
Incorporation: 1890
Location
County: Cowlitz
State: Washington
Zip-code: 98611
Maps
Castle Rock zoning map
Critical Areas Map
Government
City of Castle Rock
141 A Street SW
P.O. Box 370
Castle Rock, WA 98611
(360) 274-8181
www.ci.castle-rock.wa.us
Other Resources & Links
Castle Rock Community Development Alliance
www.castlerockcda.org
Visit Mt. St. Helens
www.visitmtsthelens.com
Cowlitz County
www.co.cowlitz.wa.us
Utilities
Castle Rock Demographics Summary
Population
With 2,706 people, Castle Rock is the 280th most populated city in the state of Washington out of 634 cities.
Race & Ethnicity
The largest Castle Rock racial/ethnic groups are White (86.3%) followed by Hispanic (5.0%) and American Indian (3.1%).
Median Income
In 2021, the median household income of Castle Rock households was $59,583.
9.0% of Castle Rock families live in poverty.
Median Age
The median age for Castle Rock residents is 28.3 years.
Sources: United States Census Bureau. 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022.
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2021. U.S. Census Bureau, Population Division. Web. May 2022. http://www.census.gov/.
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2019. U.S. Census Bureau, Population Division. Web. May 2021. http://www.census.gov/.
United States Census Bureau. “P2 Hispanic or Latino, and Not Hispanic or Latino by Race.” 2020 Census State Redistricting Data (Public Law 94-171) Summary File. U.S. Census Bureau, 2020 Census. Web. 12 August 2021. https://www.census.gov/.