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Mason County, Washington Zip Codes
Zip Code
City
Population
98584
Shelton
38,615
98528
Belfair
12,393
98524
Allyn
4,226
98546
Grapeview
2,965
98548
Hoodsport
2,593
98592
Union
1,848
98588
Tahuya
1,564
98555
Lilliwaup
238
98560
Matlock
76
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.