98611   Zip Code Castle Rock Cowlitz WA United States

City Castle Rock
County Cowlitz
State Washington
Latitude 46.30642
Longitude -122.90479
Population 9,302
Density 68.39 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
Download the data

Household Income

Median household: $86,322
Median individual: $40,620

Race

Mode: 87.3% White

Gender

 53.5% female 

Rent

  $1250 / month  

Median house value: $427,345.0

Age

Median: 43.7 years old

Education

With at least college degree: 15.0%
With STEM degree: 38.3%

Marital Status

 57.0% married 

Never married: 18.4%

Labor Force Participation

 50.8% working 

Unemployed: 4.7%

Average Family Size

 3.35 people 

Commute Time

 29.2 minutes 

Health Care

 5.1% uninsured 

Poverty

 8.5%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.