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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 98611, Castle Rock, WA

ZIP Code 98611 Details

Zip Code:98611
City:Castle Rock
State:WA [Washington]
Counties:COWLITZ, WA
Multi County:No
City Alias(es):Castle Rock
Area Code:360 / 564
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:617 ft
State FIPS:53
County FIPS:015
Intro Date:<2004-10

ZIP Code 98611 2010 Census Demographics

Current Population:9,419
2010 Population:9,133
Households per ZIP Code:3,528
Average House Value:$253,100
Avg. Income Per Household:$64,829
Persons Per Household:2.58
White Population:8,746
Black Population:51
Hispanic Population:310
Asian Population:113
American Indian Population:297
Hawaiian Population:52
Other Population:136
Male Population:4,608
Female Population:4,525
Median Age:44.50 years
Male Median Age:44.00 years
Female Median Age:45.00 years

ZIP Code 98611 Other Demographics

# Residential Mailboxes:3,651
# Business Mailboxes:46
Total Delivery Receptacles:4,955
Number of Businesses:149
1st Quarter Payroll:$7,323,000
Annual Payroll:$31,621,000
# of Employees:854
Water Area:1.495 sq mi
Land Area:124.887 sq mi
113th Congressional District:03
113th Congressional Land Area:9114.01 sq mi
Single Family Delivery Units:3,288
Multi Family Delivery Units:54
# Residential Mailboxes:3,651
# Business Mailboxes:46
Total Delivery Receptacles:4,955

ZIP Code 98611 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 2,885 2,950 +65
Retired Workers: 1,935 2,005 +70
Disabled Workers: 445 440 -5
Widow(er)s and Parents: 200 200 0
Spouses: 160 170 +10
Children: 145 135 -10
65+: 2,145 2,215 +70
Monthly Benefits - All: $4,112,000 $4,295,000 +$183,000
Monthly Benefits - Retired Workers: $2,961,000 $3,139,000 +$178,000
Monthly Benefits - Widow(ers): $295,000 $296,000 +$1,000

ZIP Code 98611 Statistical Areas

CBSA: 31020
CBSA Name: Longview, WA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:102,410
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:Z16575
Preferred Last Line Key:Z16575
98610: Previous ZIP Code
Next ZIP Code: 98612


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 5/1/2022],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],