City of Castle Rock
141 A Street SW
P.O. Box 370
Castle Rock, WA 98611
Other Resources & Links
Castle Rock Community Development Alliance
Visit Mt. St. Helens
Castle Rock Demographics Summary
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%).
In 2021, the median household income of Castle Rock households was $59,583.
9.0% of Castle Rock families live in poverty.
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/.