Castle Rock, WA
Population 2,298 · Washington
About Castle Rock, WA
Castle Rock is a small community in Washington with a population of 2,298 residents. The median household income is $65,272 per year, which is near the national average. The median age in Castle Rock is 31.1 years.
Housing in Castle Rock has a median home value of $301,000 and median monthly rent of $1,326. Of the 933 total housing units, the majority are owner-occupied, with 545 owner-occupied and 334 renter-occupied units.
The unemployment rate in Castle Rock is 6.7% and the poverty rate is 6.5%. 14.6% of residents hold a bachelor's degree or higher. The average commute time is 25 minutes.
Cost of Living in Castle Rock, WA
Compared to national averages, Castle Rock has a median household income of $65,272 (13% below the national median of $75,149). Home values average $301,000, which is 23% above the national median. Monthly rent at $1,326 is 14% above the US average of $1,163. Within Washington, Castle Rock's income is 28% below the state average of $90,795, and home values are 35% below the state median of $460,491.
Why Live in Castle Rock, WA?
Castle Rock offers a low poverty rate of 6.5%, better than the national average.
Potential considerations include median household income ($65,272) that falls below the national average. However, Castle Rock’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Castle Rock has a population of 2,298 with a median age of 31.1 years. Compare Castle Rock with other cities to see how it stacks up, or explore all cities in Washington.
Similar Cities Near Castle Rock
Cities in Washington with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Cosmopolis | 2,301 | $80,132 | $280,700 | Compare |
| Bridgeport | 2,307 | $52,917 | $162,500 | Compare |
| Whidbey Island Station | 2,284 | $42,143 | $0 | Compare |
| Newport | 2,269 | $41,733 | $230,500 | Compare |
| Walla Walla East | 2,264 | $87,723 | $580,600 | Compare |
| McCleary | 2,262 | $75,652 | $327,100 | Compare |
| Lewisville | 2,372 | $125,179 | $644,800 | Compare |
| Bryant | 2,375 | $119,371 | $627,700 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Washington
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Castle Rock
What is the population of Castle Rock, WA?
The population of Castle Rock, WA is 2,298 according to the latest Census data.
What is the median household income in Castle Rock?
The median household income in Castle Rock, WA is $65,272 per year.
What is the median home value in Castle Rock?
The median home value in Castle Rock, WA is $301,000.
What is the average rent in Castle Rock?
The median monthly rent in Castle Rock, WA is $1,326.
What is the unemployment rate in Castle Rock?
The unemployment rate in Castle Rock, WA is 6.7%.