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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 98850, Rock Island, WA

ZIP Code 98850 Details

Zip Code:98850
City:Rock Island
State:WA [Washington]
Counties:DOUGLAS, WA
Multi County:No
City Alias(es):Rock Island
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:2069 ft
State FIPS:53
County FIPS:017
Intro Date:<2004-10

ZIP Code 98850 2010 Census Demographics

Current Population:1,332
2010 Population:1,543
Households per ZIP Code:522
Average House Value:$190,500
Avg. Income Per Household:$52,094
Persons Per Household:2.96
White Population:1,048
Black Population:18
Hispanic Population:707
Asian Population:6
American Indian Population:28
Hawaiian Population:3
Other Population:473
Male Population:807
Female Population:736
Median Age:34.90 years
Male Median Age:35.30 years
Female Median Age:34.50 years

ZIP Code 98850 Other Demographics

# Residential Mailboxes:450
# Business Mailboxes:11
Total Delivery Receptacles:839
Number of Businesses:27
1st Quarter Payroll:$562,000
Annual Payroll:$3,193,000
# of Employees:87
Water Area:2.689 sq mi
Land Area:22.729 sq mi
113th Congressional District:04
113th Congressional Land Area:19250.22 sq mi
Single Family Delivery Units:305
Multi Family Delivery Units:0
# Residential Mailboxes:450
# Business Mailboxes:11
Total Delivery Receptacles:839

ZIP Code 98850 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 370 365 -5
Retired Workers: 245 245 0
Disabled Workers: 70 70 0
Widow(er)s and Parents: 20 25 +5
Spouses: 10 5 -5
Children: 25 20 -5
65+: 260 265 +5
Monthly Benefits - All: $459,000 $469,000 +$10,000
Monthly Benefits - Retired Workers: $335,000 $342,000 +$7,000
Monthly Benefits - Widow(ers): $27,000 $30,000 +$3,000

ZIP Code 98850 Statistical Areas

CBSA: 48300
CBSA Name: Wenatchee, WA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:110,884
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:Z17379
Preferred Last Line Key:Z17379
98849: Previous ZIP Code
Next ZIP Code: 98851


  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],