US ZIP Code
98166

Seattle, WA

King County  ·  Washington

● Active
👥 22,001 Population ↑ 3% since 2019
💰 $112,191 Median HH Income
▲ 47% above avg ↑ 34% since 2019
🎂 43.7 Median Age ↑ 2% since 2019
🏠 $785,700 Median Home Value
▲ 182% above avg ↑ 53% since 2019
🎓 58.5% College Grads
▲ 51% above avg
📊 5.2% Unemployment
≈ Avg ↓ 11% since 2019
ZIP Code Details
ZIP Code98166
CitySeattle
StateWashington (WA)
CountyKing County
Area Code206/253
Elevation306 ft
Latitude47.451576
Longitude-122.352986
TimezoneLos Angeles (DST)
FIPS53033
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.6% (11,137) Female 49.4% (10,864) ♀

Race & Ethnicity

White: 69.1%Hispanic: 11.6%Black: 1.9%Asian: 7.8%Other: 8.4%Race
White69.1%
Hispanic11.6%
Black1.9%
Asian7.8%
Other8.4%

Age Breakdown

Under 5
6%
5–17
13%
18–24
6%
25–44
28%
45–64
27%
65+
9%

Key Indicators

Median Age43.7 yrs ↑ 2% since 2019
Avg Household Size2.42
Below Poverty8.6% ▼ 14% below avg
College Grads58.5% ▲ 51% above avg
Unemployment5.2% ≈ Avg
No HS Diploma170 (1.1%)
HS Graduate2,455 (15.8%)
Some College1,288 (8.3%)
Associates2,513 (16.2%)
Bachelors1,936 (12.5%)
Graduate Degree7,134 (46%)

Education

No HS: 1.1%HS Grad: 15.8%Some College: 8.3%Associates: 16.2%Bachelors: 12.5%Graduate: 46%Edu
No HS1.1%
HS Grad15.8%
Some College8.3%
Associates16.2%
Bachelors12.5%
Graduate46.0%
Housing & Income

Housing Tenure

Owner: 66.6%Renter: 33.4%Tenure
Owner66.6%
Renter33.4%

Home Value Distribution

Under $50k
1%
$50k–100k
0%
$100k–150k
1%
$200k–300k
1%
$300k–500k
10%
Over $500k
88%

Financials

Median HH Income$112,191 ▲ 47% above avg ↑ 34% since 2019
Median Home Value$785,700 ▲ 182% above avg ↑ 53% since 2019
Home/Income Ratio7.0x (nat avg ~3.5x)
Median Rent$1,739/mo ↑ 39% since 2019
Total Units9,766
Vacant Units698
Avg HH Size2.42

Income Distribution

Under $25k
11%
$25k–50k
9%
$50k–75k
13%
$75k–100k
9%
$100k–150k
17%
$150k–200k
16%
Over $200k
25%
Employment & Commute

How People Get to Work

Drove Alone
65%
Public Transit
5%
Walked
3%
Work From Home
27%

Commute Time

Under 15 min
22%
15–30 min
32%
30–45 min
27%
Over 45 min
18%
Housing Stock

Year Built

Before 1940
10%
1940s–1950s
23%
1960s–1970s
7%
1980s–1990s
6%
2000+
54%

Summary

Total Units9,766
Vacant698
Owner Occupied66.6%
Renter Occupied33.4%
Avg HH Size2.42
Frequently Asked Questions
ZIP code 98166 is in Seattle, WA, in King County.
ZIP code 98166 is located in Washington (WA).
ZIP code 98166 is in King County, WA.
ZIP 98166 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 98166 is 22,001 people (ACS 2023).
The median household income in ZIP code 98166 is $112,191 (ACS 2023).
The median home value in ZIP 98166 is $785,700 (ACS 2023).
About ZIP Code 98166

ZIP code 98166 is located in Seattle, Washington, within King County. With a population of 22,001, this is a moderately populated ZIP code with a middle-aged community — the median age is 43.7 years. Economically, 98166 is a upper-middle-income ZIP code: the median household income of $112,191 is above the national average.

Real estate in ZIP code 98166 represents a premium housing market. The median home value of $785,700 is more than double the national average. Renters can expect to pay around $1,739 per month in median rent. Homeownership is strong here — 66.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 53% since 2019.

The population of 98166 is majority White (69.06%). Residents are well-educated — 58.5% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 8.6%. Household income has grown by 34% since 2019.

The unemployment rate in 98166 stands at 5.2%, which is near the national average. About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 58%.

Overall, ZIP code 98166 in Seattle, WA is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 22,001 residents, a median household income of $112,191, and a median home value of $785,700, it offers a clear picture of life in this part of Washington.