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City Profile

Issaquah, Washington

Population: 40,051 · 2 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
40,051
People
Median age
37.5
Housing
Total households
16,664
Income
Median household income
$154,669
Housing
Total housing units
17,542
Employment
Employment rate
69%
Education
Bachelor’s degree or higher
70.5%
Healthcare
Insured population
98.3%
City details
Local time 02:21:34(PT)
LocationIssaquah, WA
Population (ZIP areas)60,521(sum of local ZIP code populations)
Total ZIP codes2total
ZIP codes (by type)
2 Standard
CountyKing
Area code
TimezonePacific Time (PT)
Coordinates47.520602526302966, -121.99618516152971
Land area67.4 sq miles(174,447,985 m²)

Map of Issaquah, Washington with ZIP codes

Map of Issaquah, Washington and ZIP codes

ZIP Codes in Issaquah

Explore the ZIP codes that make up Issaquah. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
98027Standard$153,30129,089
98029Standard$170,75931,432

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Issaquah, WA.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS