Umatilla County, Oregon Zip Codes

Zip Code	City	Population
97838	Hermiston	27,713
97801	Pendleton	21,748
97862	Milton Freewater	12,460
97882	Umatilla	8,081
97875	Stanfield	2,608
97868	Pilot Rock	1,594
97813	Athena	1,468
97826	Echo	1,185
97810	Adams	1,047
97886	Weston	948
97835	Helix	488
97880	Ukiah	348
97859	Meacham	235

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.