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Zip Code 98584 — Shelton, WA

98584 is a ZIP Code associated with Shelton, WA, located within Mason. The postal region supports an estimated population of 40,606 residents across Data Pending housing units, with a population density of 43.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.246080, -123.162090)

Data Metric	Local Statistic
Postal / Zip Code	98584
Primary City	Shelton
State / Province	WA
County	Mason
Total Population	40,606
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	43.6 people/sq mi
Timezone	America/Los_Angeles

How 98584 Compares

Metric	ZIP 98584	Mason County	WA State Average
Population	40,606	66,064	7,816,021
Median Income	Data Pending	N/A	N/A
Population Density	43.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 98592	Union	6.9 mi	2,059	N/A
Zip 98546	Grapeview	12.4 mi	2,430	N/A
Zip 98502	Olympia	12.8 mi	35,398	N/A
Zip 98560	Matlock	13.6 mi	114	N/A
Zip 98588	Tahuya	14.6 mi	2,114	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 →