ZIP Code 98027 - Issaquah Washington

98027 Overview

ZIP Code 98027 is located in Issaquah Washington. Portions of 98027 are also in Mirrormont and Hobart and Sammamish. 98027 is entirely within King County. Regionally, 98027 is located in Metro Seattle-Tacoma. Data Updated October 2, 2024

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ZIP Code 98027 Quick Stats

ZIP Code NameIssaquah
Primary CountyKing County
ZIP Code TypeStandard
Population (2022)27,915
Area Code(s)425
Current Time
PDT

ZIP Code 98027 Map

98027 Demographics

98027 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Washington based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 98027 is White. The majority race/ethnicity attending public schools in 98027 is White. The current unemployment level in 98027 is 4.9%.

Population27,915
Population Growth Rate-6.08%
Population Density472 People per Square Mile
Total Households10,953
Percentage High Income Households14.8%
Median Household Income (2021)$128,556
Average Adjusted Gross Income (2021)$541,780
Current Unemployment Rate (October 2024)4.9%
Majority Race/EthnictyWhite - 75.31%
Public School Majority Race/EthnictyWhite - 52.53%

98027 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White20,69075.31%
Black3481.27%
Hispanic2,2398.15%
Asian4,10514.94%
Native American900.33%
Hawaiian/Pac. Islander00%

98027 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White2,58357.36%
Black1292.86%
Hispanic54312.06%
Asian1,21927.07%
Native American160.36%
Hawaiian/Pac. Islander130.29%

98027 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,0895.55%
Bachelor Degree6,94435.37%
High School Diploma2,01610.27%
No High School Diploma1440.73%
GED or Alternate2161.1%
1 or More Years of College3,24716.54%
Associates Degree1,6228.26%
Masters Degree3,31316.87%
Professional Degree6453.29%
Doctorate Degree3982.03%

98027 Geography

Coordinates47.49025345,-121.97503662
Adjacent ZIP Codes
Cities/Towns in 98027
RegionMetro Seattle-Tacoma
Metropolitan/Micropolitan Stat AreaSeattle-Tacoma-Bellevue, WA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area59 Square Miles

98027 Weather and Climate Data

Plant Hardiness ZoneZone 8b: 15F to 20F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate
Ecoregion4a - Western Cascades Lowlands and Valleys

98027 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)32343538434851524741363341
Avg Max Temp (°F)43475157636874756959484358
Avg Precip (In.)11.349.558.667.245.935.072.72.54.517.2712.7212.0289.51

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