US ZIP Code
98027

Issaquah, WA

King County  ·  Washington

● Active
👥 28,335 Population ↓ 9% since 2019
💰 $150,000 Median HH Income
▲ 97% above avg ↑ 33% since 2019
🎂 40.4 Median Age
🏠 $976,400 Median Home Value
▲ 250% above avg ↑ 48% since 2019
🎓 72.4% College Grads
▲ 87% above avg
📊 3.4% Unemployment
▼ 30% below avg ↓ 3% since 2019
ZIP Code Details
ZIP Code98027
CityIssaquah
StateWashington (WA)
CountyKing County
Area Code425
Elevation2,076 ft
Latitude47.514016
Longitude-121.993456
TimezoneLos Angeles (DST)
FIPS53033
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.6% (14,335) Female 49.4% (14,000) ♀

Race & Ethnicity

White: 68.8%Hispanic: 7%Black: 1.3%Asian: 15.6%Other: 6%Race
White68.8%
Hispanic7.0%
Black1.3%
Asian15.6%
Other6.0%

Age Breakdown

Under 5
4%
5–17
15%
18–24
5%
25–44
31%
45–64
28%
65+
7%

Key Indicators

Median Age40.4 yrs
Avg Household Size2.45
Below Poverty5.4% ▼ 46% below avg
College Grads72.4% ▲ 87% above avg
Unemployment3.4% ▼ 30% below avg
No HS Diploma23 (0.1%)
HS Graduate1,934 (9.5%)
Some College1,156 (5.7%)
Associates2,518 (12.4%)
Bachelors1,347 (6.6%)
Graduate Degree13,406 (65.8%)

Education

No HS: 0.1%HS Grad: 9.5%Some College: 5.7%Associates: 12.4%Bachelors: 6.6%Graduate: 65.8%Edu
No HS0.1%
HS Grad9.5%
Some College5.7%
Associates12.4%
Bachelors6.6%
Graduate65.8%
Housing & Income

Housing Tenure

Owner: 69.6%Renter: 30.4%Tenure
Owner69.6%
Renter30.4%

Home Value Distribution

Under $50k
1%
$50k–100k
1%
$100k–150k
1%
$150k–200k
0%
$200k–300k
2%
$300k–500k
6%
Over $500k
88%

Financials

Median HH Income$150,000 ▲ 97% above avg ↑ 33% since 2019
Median Home Value$976,400 ▲ 250% above avg ↑ 48% since 2019
Home/Income Ratio6.5x (nat avg ~3.5x)
Median Rent$2,343/mo ↑ 30% since 2019
Total Units12,071
Vacant Units603
Avg HH Size2.45

Income Distribution

Under $25k
7%
$25k–50k
5%
$50k–75k
7%
$75k–100k
10%
$100k–150k
20%
$150k–200k
14%
Over $200k
37%
Employment & Commute

How People Get to Work

Drove Alone
58%
Public Transit
5%
Walked
1%
Work From Home
37%

Commute Time

Under 15 min
19%
15–30 min
37%
30–45 min
26%
Over 45 min
18%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
7%
1960s–1970s
23%
1980s–1990s
16%
2000+
54%

Summary

Total Units12,071
Vacant603
Owner Occupied69.6%
Renter Occupied30.4%
Avg HH Size2.45
Frequently Asked Questions
ZIP code 98027 is in Issaquah, WA, in King County.
ZIP code 98027 is located in Washington (WA).
ZIP code 98027 is in King County, WA.
ZIP 98027 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 98027 is 28,335 people (ACS 2023).
The median household income in ZIP code 98027 is $150,000 (ACS 2023).
The median home value in ZIP 98027 is $976,400 (ACS 2023).
About ZIP Code 98027

ZIP code 98027 is located in Issaquah, Washington, within King County. With a population of 28,335, this is a moderately populated ZIP code with a middle-aged community — the median age is 40.4 years. Economically, 98027 is a upper-middle-income ZIP code: the median household income of $150,000 is significantly above the national average.

Real estate in ZIP code 98027 represents among the most expensive housing markets in the country. The median home value of $976,400 is more than double the national average. Renters can expect to pay around $2,343 per month in median rent. Homeownership is strong here — 69.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 48% since 2019.

The population of 98027 is majority White (68.82%). Residents are highly educated — 72.4% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.4%. Household income has grown by 33% since 2019.

The unemployment rate in 98027 stands at 3.4%, which is below the national average. A notably high share of workers — 34% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 54%.

Overall, ZIP code 98027 in Issaquah, WA is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 28,335 residents, a median household income of $150,000, and a median home value of $976,400, it offers a clear picture of life in this part of Washington.