As is often the case in a small city, Castle Rock doesn't have a public transportation system that people use for their commute.
In terms of college education, the citizens of Castle Rock rank slightly lower than the national average. 14.28% of adults 25 and older in Castle Rock have a bachelor's degree or advanced degree, while 21.84% of adults have a 4-year degree or higher in the average American community.
The per capita income in Castle Rock in 2022 was $26,167, which is low income relative to Washington, and lower middle income relative to the rest of the US. This equates to an annual income of $104,668 for a family of four. However, Castle Rock contains both very wealthy and poor people as well.
Castle Rock is a somewhat ethnically-diverse city. The people who call Castle Rock home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Castle Rock residents report their race to be White, followed by Native Hawaiian. Important ancestries of people in Castle Rock include Irish, German, English, Italian, and French.
The most common language spoken in Castle Rock is English. Other important languages spoken here include Italian and Spanish.
