98611 is zip code located in Castle Rock, Washington. The population is 9,529, making 98611 the largest zipcode in Castle Rock and the 3rd largest in Cowlitz County.
There are 3 public schools in 98611 with an average Homefacts rating of C. The total crime rate for Castle Rock is low , and there are 5 registered sex offenders residing in the zip code 98611. Unemployment in 98611 is very high.
Zip codes within Castle Rock include 98645.