Issaquah, WA 98029 ZIP Code Profile

Related Place Profiles:
Issaquah, WA | Sammamish, WA

ZIP Code 98029: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Issaquah, WA 98029

Acceptable Alternative
Sammamish, WA 98029

  • ZIP Code Type: STANDARD
  • County: King County
  • Centroid: Latitude 47.556, Longitude -122.002
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 232
  • PO Box Addresses: 0
  • Residential Addresses: 11,927
    • Multi-Family Addresses: 2,775
    • Single Family Addresses: 9,152

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 98029 2018 Demographic Data
  2. Growth Rates for 98029 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Washington Research Tools (Easy Tools & Current Data)
  3. Washington Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Issaquah, WA 98029 Data & Demographics (As of July 1, 2018)


Total Population 30,025
Population in Households 29,992
Population in Familes 25,623
Population in Group Qrtrs 33
Population Density2 3,086
Diversity Index3 58


Median Household Income $117,375
Average Household Income $154,144
Per Capita Income $60,269


Total Housing Units 12,084 (100%)
Owner Occupied HU 8,063 (66.7%)
Renter Occupied HU 3,669 (30.4%)
Vacant Housing Units 352 ( 2.9%)
Median Home Value $590,609
Average Home Value $651,597


Total Households 11,732
Average Household Size 2.56
Family Households 8,317
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 2.5% 1.96%
Households 2.31% 1.78%
Families 2.47% 1.91%
Median Household Income   3.02%
Per Capita Income   2.73%

Issaquah, WA 98029 - Peer Comparisons by Rank and Percentile

The table below compares 98029 to the other 581 ZIP Codes in Washington by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 96 84th
Population Density # 103 82nd
Diversity Index # 142 76th
Median Household Income # 12 98th
Per Capita Income # 27 96th

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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Compare Washington July 1, 2018 Data
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