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US ZIP Code Profile

ZIP Code 98115
Seattle, Washington

ZIP code 98115 is in Seattle, located in King County, Washington, within the Seattle-Tacoma-Bellevue metro area. Its 2020 Census population was 54,322. The estimated median adjusted gross income per tax return is $93,512, and about 26% of filers report $200,000 or more.

2020 Population
54,322
Census ZCTA
County
King
FIPS 53033
Median income (est.)
$93,512
IRS SOI 2022
Land Area
6.586 mi²
+ 1.914 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CitySeattle, WA
CountyKing County (FIPS 53033)
StateWashington (FIPS 53)
Metro Area (MSA)Seattle-Tacoma-Bellevue, WA Metro Area (42660)
Census Region / DivisionWest Region · Pacific Division
Coordinates47.685745, -122.281586
Land / Water Area6.586 mi² land · 1.914 mi² water

02Income & Economics

Distribution of the 29,540 individual tax returns filed in 98115 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
15.9%
$25K–$50K
14.3%
$50K–$75K
12.6%
$75K–$100K
9.8%
$100K–$200K
21.5%
$200K+
26.0%
The $200,000+ bracket accounts for 69% of 98115's total adjusted gross income, from 26% of returns — a concentration that drives the gap between the median ($93,512) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 98115's IRS income metrics, 2020–2022.

Median income (2021→2022)
$93,512
▲ 2.4%
Filers earning $200K+
26.0%
▲ 0.2 pt
Total filers
29,540
▲ 1.5%
GET /zipc/v2/zipcodes/98115/soi?year=… $82K 2020 $91K 2021 $94K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 98115 ZCTA.

2000
43,567
 
2010
46,206
▲ +6.1%
2020
54,322
▲ +17.6%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 98115. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 98115

Seattle and its immediate neighbors, sorted by distance.

3 mi
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Distance from 98115 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number547616
City AliasesSeattle, Seattle Naval Support Activi, Wedgwood

07Frequently Asked Questions

What county is ZIP code 98115 in?

ZIP code 98115 is in King County, Washington (county FIPS code 53033).

What city is ZIP code 98115?

The primary USPS city for 98115 is Seattle, WA.

What metro area (MSA) is 98115 in?

98115 is part of the Seattle-Tacoma-Bellevue, WA Metro Area (MSA code 42660).

What is the population of ZIP code 98115?

The 2020 Census population of 98115 was 54,322 residents.

What is the median income in ZIP code 98115?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 98115 is about $93,512, with around 26% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.