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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Hartline, WA

Hartline, WA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 99135StandardGrant255

Timezone(s):Pacific (GMT -08:00)
Counties:GRANT, WA
Population:151 (More Details)
Male Population:81
Female Population:70
Median Age:42
ZIP Codes:1
Area Codes:1
Total Area:2,791 square miles (county)
Land Area:2,679 square miles (county)
Water Area:112 square miles (county)

Hartline, WA Demographic Information *

Total population151
Male population81
Female population70
Median age (years)41.8
White Population137
Black Population1
Indian Population0
Asian Population2
Hawaiian Population0
Hispanic Population18
Median age (Male)41.5
Median age (Female)42
Total households62
Family households (families)37
Average household size2.44
Average family size3.16
Total housing units87
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],