ZIP 98611 · Castle Rock
Who lives in ZIP code 98611 (Castle Rock, WA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Castle Rock, WA · Cowlitz County
uszips 2026
People9,302
Median age43.7
Household income$86,322
Home value$427,345
Median rent$1,250/mo
Poverty8.5%
College degree+15.0%
Commute29 min
Place
- Metro area
- Longview-Kelso, WA
- Wider region
- Portland-Vancouver-Salem, OR-WA
- Time zone
- Pacific
- Density
- 26 / sq mi
- Housing units
- 3,539
County
Share of the ZIP's people in each county.
Age mix
23.4% are 65 or older; 76.6% are adults.
Household income
41.4% of households earn $100K+. Median per person: $40,620.
Education (adults 25+)
38.3% of degrees are in STEM fields.
Race
1.8% Hispanic or Latino (of any race).
Households & family
- Married
- 57.0%
- Never married
- 18.4%
- Divorced
- 14.1%
- Widowed
- 10.5%
- Family size
- 3.35
- Dual-income families
- 45.2%
Housing
- Own their home
- 83.8%
- Rent burden
- 23.1%
- Men / women
- 47% / 54%
Work
- In labor force
- 50.8%
- Unemployment
- 4.7%
- Self-employed
- 7.3%
- Farmers
- 1.8%
Community
- Charitable givers
- 17.1%
- Veterans
- 12.1%
- With a disability
- 20.2%
- No health insurance
- 5.1%
- Limited English
- 1.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.