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ZIP code 98592: Union, WA

98592 is a ZIP code in Union, Washington, mainly in Mason County, part of the Shelton, WA micro area. About 2,059 people live here.

Population
2,059
Median household income
$138,370
Typical home value
$513,900+0.2% in 12 months
Median rent
$3,501gross, per month
Median age
64.7
Homeowners
83.3%of occupied homes
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Shaded: ZIP code 98592's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 98592 details

CityUnion
StateWashington
CountyMason County
Metro areaShelton, WA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area17.7 sq mi, plus 3.9 sq mi of water
Population density116 people per sq mi
Bachelor's degree or higher48.2% of adults 25+
Average commute55.5 minutes
Center coordinates47.33395, -123.07623

ZIP codes near 98592

ZIP codeCityDistancePopulation
98584Shelton, WA7.4 mi40,606
98546Grapeview, WA7.6 mi2,430
98588Tahuya, WA8.1 mi2,114
98524Allyn, WA11.5 mi4,300
98528Belfair, WA11.5 mi11,940
98394Vaughn, WA13.5 mi892
98555Lilliwaup, WA13.8 mi324
98548Hoodsport, WA15.0 mi2,177

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 98592?

A typical home in ZIP code 98592 is worth about $513,900 (Zillow Home Value Index). The median household here earns $138,370 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.

Monthly payment for a $513,900 homeWhat can a $138,370 income afford?Rental property numbers

About ZIP code 98592

What city is ZIP code 98592?

ZIP code 98592 is in Union, WA, in Mason County.

What county is ZIP code 98592 in?

98592 is mainly in Mason County, Washington.

What is the population of ZIP code 98592?

About 2,059 people live in ZIP code 98592, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 98592 in?

98592 is in Pacific Time (UTC−8). It observes daylight saving time.