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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Kelso, WA

Kelso, WA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 98626StandardCowlitz24,523360 / 564

Timezone(s):Pacific (GMT -08:00)
Counties:COWLITZ, WA
Population:11,925 (More Details)
Male Population:5,823
Female Population:6,102
Median Age:35
ZIP Codes:1
Area Codes:2
Total Area:1,166 square miles (county)
Land Area:1,140 square miles (county)
Water Area:26 square miles (county)

Kelso, WA Demographic Information *

Total population11,925
Male population5,823
Female population6,102
Median age (years)34.6
White Population10,161
Black Population97
Indian Population251
Asian Population189
Hawaiian Population15
Hispanic Population1,346
Median age (Male)33.8
Median age (Female)35.4
Total households4,720
Family households (families)2,949
Average household size2.52
Average family size3.05
Total housing units5,139
* Demographic data is based on 2010 Census.

Kelso, WA Other Information

43 Cities within 30 miles of Kelso, WA Products


  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 2010 [Decennial] [Last Updated: 1/1/2010],