US ZIP Code Map

ZIP code

98611

Castle Rock, WA

STANDARD

98611 covers Castle Rock in Cowlitz County, with 9,367 people in the ACS estimate.

Map of 98611, Castle Rock

ZIP code map

ACS population

9,367

Median household income

$81,630

Median home value

$382,000

About ZIP code 98611

Type

STANDARD

City

Castle Rock

County

Cowlitz County

Timezone

America/Los_Angeles

Area codes

360, 564

Land area

136.1 sq mi

Water area

1.47 sq mi

Households

3,687

Median gross rent

$1,348

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
360, 564
World Region
NA
Country
US
Housing Count
4,056
Irs Estimated Households
5,050
Population Count
10,165
Irs Estimated Population
9,930

People in 98611

Race

  • White8,956
  • Black or African American31
  • American Indian or Alaska Native182
  • Asian61
  • Native Hawaiian and Pacific Islander27
  • Other race154
  • Two or more races754

Hispanic or Latino (any race): 465

Age

  • Under 101,090
  • 10 to 191,285
  • 20 to 29925
  • 30 to 391,138
  • 40 to 491,179
  • 50 to 591,401
  • 60 to 691,603
  • 70 to 791,087
  • 80 and older457

Income and housing in 98611

Poverty rate

7.1%

Median earnings

$46,452

Median household income

$81,630

Median home value

$382,000

Median gross rent

$1,348

Education

  • High school graduate91.7%
  • Bachelor's degree13.7%
  • Graduate degree6.5%

Places covering 98611

Cities and places

Counties

75.9% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 98611

IRS populationACS population
11,2345,617020052023

Hover a year for IRS and ACS values.

ZIP codes near 98611

  1. 98581Ryderwood7.5 miPop 383 · Income $37,039
  2. 98645Silverlake8.4 miPop 2,195 · Income $102,664
  3. 98632Longview8.4 miPop 50,845 · Income $64,705
  4. 98593Vader8.5 miPop 1,676 · Income $57,341
  5. 98649Toutle12.5 miPop 980 · Income $57,167
  6. 98626Kelso12.6 miPop 26,948 · Income $70,058
  7. 98596Winlock13.7 miPop 7,276 · Income $75,750
  8. 98538Curtis13.9 miPop 333 · Income $83,750
  9. 98591Toledo14.3 miPop 3,769 · Income $80,278
  10. 98609Carrolls15.7 miPop 0 · Income —
  11. 97048Rainier17.3 miPop 7,096 · Income $74,453
  12. 98612Cathlamet17.9 miPop 3,325 · Income $59,157

ZIP code 98611 FAQ

What city is ZIP code 98611 in?
98611 is in Castle Rock, WA.
What county is 98611 in?
98611 is in Cowlitz County.
What is the median household income in 98611?
The median household income in 98611 is $81,630.
Which ZIP codes are near 98611?
Use the radius tool on this page to list ZIP codes within a chosen distance of 98611.