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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Hermiston, OR

Hermiston, OR Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 97838StandardUmatilla25,346541 / 458

Timezone(s):Pacific (GMT -08:00)
Population:16,745 (More Details)
Male Population:8,267
Female Population:8,478
Median Age:31
ZIP Codes:1
Area Codes:2
Total Area:3,231 square miles (county)
Land Area:3,215 square miles (county)
Water Area:16 square miles (county)

Hermiston, OR Demographic Information *

Total population16,745
Male population8,267
Female population8,478
Median age (years)30.9
White Population12,420
Black Population136
Indian Population221
Asian Population252
Hawaiian Population39
Hispanic Population5,852
Median age (Male)29.9
Median age (Female)31.9
Total households6,050
Family households (families)4,184
Average household size2.74
Average family size3.28
Total housing units6,373
* Demographic data is based on 2010 Census. 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],