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zipcodes.pro — CITY/WA/ISSAQUAH

Issaquah ZIP codes, Washington

Issaquah, WA has 2 ZIP codes (98027 and 98029) and area code 425. The largest is 98027.

USPS city name
2 ZIP codes
Population
39,591
Area code
425

Issaquah in numbers

About 39,591 people live in Issaquah, in 16,664 households, the 33rd-largest of Washington's 628 census places. The median household income is $154,669 a year, 58% above the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $963,000 (71% above the Washington median), and median gross rent is $2,590 a month. The median age is 37.5; 70.5% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 25 minutes.

Population39,591Issaquah39,591
Households16,664Issaquah16,664
Median age37.5Issaquah37.5Washington38.3US 38.9
Median household income$154,669Issaquah$154,669Washington$98,141US $80,734
Median home value$963,000Issaquah$963,000Washington$564,600US $332,700
Median gross rent$2,590Issaquah$2,590Washington$1,760US $1,413
Bachelor's degree or higher70.5%Issaquah70.5%Washington39.6%US 35.7%
Mean commute25.3 minIssaquah25.3 minWashington26.6 minUS 26.4 min
Population density3,264 / sq miIssaquah3,264 / sq mi

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

ZIP codes addressed as Issaquah

ZIP codes with the USPS city name Issaquah
ZIP City Type Population Median income Median home
98027 Issaquah , WA Standard 28,955 $153,301 $996,600
98029 Issaquah , WA Standard 30,586 $170,759 $1,063,200

Map of Issaquah ZIP codes

9802798029

The ZIP codes of Issaquah, 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 Issaquah

The nearest larger towns are Sammamish (66,463 people, 3.5 mi), Bellevue (151,847 people, 6.2 mi) and Renton (105,317 people, 8.2 mi).

Towns near Issaquah
TownPopulationDistance
Sammamish 66,463 3.5 mi
East Renton Highlands 12,582 5.2 mi
Newcastle 12,989 5.5 mi
Bellevue 151,847 6.2 mi
Mirrormont 4,019 6.4 mi
Maple Heights-Lake Desire 4,113 7.7 mi
Fairwood 17,856 8.0 mi
Renton 105,317 8.2 mi
Snoqualmie 13,798 8.4 mi
Mercer Island 25,307 8.6 mi
Hobart 6,552 9.4 mi
Bryn Mawr-Skyway 17,638 9.6 mi
Union Hill-Novelty Hill 23,047 9.6 mi
Redmond 77,353 9.7 mi

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

Cite this page

zipcodes.pro. “Issaquah, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/issaquah

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