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City Profile

Castle Rock, Washington

Population: 2,446 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
2,446
People
Median age
33.9
Housing
Total households
871
Income
Median household income
$69,639
Housing
Total housing units
907
Employment
Employment rate
50.9%
Education
Bachelor’s degree or higher
15.8%
Healthcare
Insured population
94.2%
City details
Local time 00:46:50(PT)
LocationCastle Rock, WA
Population (ZIP areas)10,165(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyCowlitz
Area code
TimezonePacific Time (PT)
Coordinates46.3051452, -122.9006871
Land area136.1 sq miles(352,562,030 m²)

Map of Castle Rock, Washington with ZIP codes

Map of Castle Rock, Washington and ZIP codes

ZIP Codes in Castle Rock

Explore the ZIP codes that make up Castle Rock. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
98611Standard$86,32210,165

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Castle Rock, WA.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS