Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/WA/GRAND-MOUND

Grand Mound ZIP codes, Washington

No ZIP code is named for Grand Mound, WA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 98531 and 98579. Its area codes are 360 and 564.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
3,287
Area codes
360, 564

NANPA lists no telephone rate centre for Grand Mound itself, so these are the area codes of the nearest one, Centralia (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Grand Mound in numbers

About 3,287 people live in Grand Mound, in 1,211 households. The median household income is $72,426 a year, 26% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $411,400 (27% below the Washington median), and median gross rent is $1,426 a month. The median age is 35.1; 21.6% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 27 minutes.

Population3,287Grand Mound3,287
Households1,211Grand Mound1,211
Median age35.1Grand Mound35.1Washington38.3US 38.9
Median household income$72,426Grand Mound$72,426Washington$98,141US $80,734
Median home value$411,400Grand Mound$411,400Washington$564,600US $332,700
Median gross rent$1,426Grand Mound$1,426Washington$1,760US $1,413
Bachelor's degree or higher21.6%Grand Mound21.6%Washington39.6%US 35.7%
Mean commute27.2 minGrand Mound27.2 minWashington26.6 minUS 26.4 min
Population density792 / sq miGrand Mound792 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Grand Mound CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Grand Mound

These ZIP codes cover part of Grand Mound but are addressed as somewhere else.

ZIP codes overlapping Grand Mound
ZIP City Type Population Median income Median home
98531 Centralia , WA Standard 27,337 $63,406 $343,000
98579 Rochester , WA Standard 14,048 $99,411 $463,400

Map of Grand Mound ZIP codes

9853198579

The ZIP codes of Grand Mound, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Grand Mound

The nearest larger towns are Rochester (5,834 people, 2.9 mi), Centralia (18,830 people, 5.7 mi) and Chehalis (7,587 people, 9.6 mi).

Towns near Grand Mound
TownPopulationDistance
Rochester 5,834 2.9 mi
Centralia 18,830 5.7 mi
Chehalis 7,587 9.6 mi
Tumwater 26,956 13.8 mi
Olympia 55,951 17.5 mi
Lacey 57,737 19.5 mi
Yelm 11,102 20.0 mi
Tanglewilde 6,314 20.4 mi
North Yelm 2,522 22.0 mi
Elma 3,483 23.6 mi
DuPont 9,931 27.3 mi
Fort Lewis 15,167 29.2 mi
North Fort Lewis 6,337 29.6 mi
Shelton 10,612 29.8 mi

More nearby: every ZIP code in Lewis County · Washington ZIP codes

Cite this page

zipcodes.pro. “Grand Mound, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/grand-mound

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