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Zip Code 97838 — Hermiston, OR

97838 is a ZIP Code associated with Hermiston, OR, located within Umatilla. The postal region supports an estimated population of 28,512 residents across Data Pending housing units, with a population density of 54.4 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.852660, -119.288780)

Data Metric	Local Statistic
Postal / Zip Code	97838
Primary City	Hermiston
State / Province	OR
County	Umatilla
Total Population	28,512
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	54.4 people/sq mi
Timezone	America/Los_Angeles

How 97838 Compares

Metric	ZIP 97838	Umatilla County	OR State Average
Population	28,512	80,001	4,254,259
Median Income	Data Pending	N/A	N/A
Population Density	54.4 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 97882	Umatilla	4.8 mi	7,976	N/A
Zip 97875	Stanfield	7.2 mi	2,410	N/A
Zip 97844	Irrigon	12.5 mi	3,701	N/A
Zip 97826	Echo	14.0 mi	1,178	N/A
Zip 97839	Lexington	23.9 mi	116	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →