In 2023, Castle Rock, WA had a population of 2.3k people with a median age of 31.1 and a median household income of $65,272. Between 2022 and 2023 the population of Castle Rock, WA declined from 2,624 to 2,298, a −12.4% decrease and its median household income grew from $63,750 to $65,272, a 2.39% increase.
The 5 largest ethnic groups in Castle Rock, WA are White (Non-Hispanic) (81.4%), Native Hawaiian & Other Pacific Islander (Non-Hispanic) (5.66%), Two+ (Non-Hispanic) (3.79%), White (Hispanic) (3.57%), and Other (Hispanic) (3%).
None of the households in Castle Rock, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.4% of the residents in Castle Rock, WA are U.S. citizens.
In 2023, the median property value in Castle Rock, WA was $301,000, and the homeownership rate was 62%.
Most people in Castle Rock, WA drove alone to work, and the average commute time was 25 minutes. The average car ownership in Castle Rock, WA was 2 cars per household.