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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
.