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US ZIP Code Profile

ZIP Code 98122
Seattle, Washington

ZIP code 98122 is in Seattle, located in King County, Washington, within the Seattle-Tacoma-Bellevue metro area. Its 2020 Census population was 41,646. The estimated median adjusted gross income per tax return is $76,357, and about 18% of filers report $200,000 or more.

2020 Population
41,646
Census ZCTA
County
King
FIPS 53033
Median income (est.)
$76,357
IRS SOI 2022
Land Area
2.314 mi²
+ 1.381 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
Coordinates47.61104, -122.292046
Land / Water Area2.314 mi² land · 1.381 mi² water

02Income & Economics

Distribution of the 23,860 individual tax returns filed in 98122 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
14.8%
$25K–$50K
18.1%
$50K–$75K
16.5%
$75K–$100K
10.8%
$100K–$200K
22.2%
$200K+
17.6%
The $200,000+ bracket accounts for 57% of 98122's total adjusted gross income, from 18% of returns — a concentration that drives the gap between the median ($76,357) 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 98122's IRS income metrics, 2020–2022.

Median income (2021→2022)
$76,357
▲ 5.9%
Filers earning $200K+
17.6%
▼ 0.1 pt
Total filers
23,860
▲ 2.0%
GET /zipc/v2/zipcodes/98122/soi?year=… $67K 2020 $72K 2021 $76K 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 98122 ZCTA.

2000
28,790
 
2010
31,454
▲ +9.3%
2020
41,646
▲ +32.4%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 98122. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 98122

Seattle and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 98122 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 AliasesEast Union, Seattle

07Frequently Asked Questions

What county is ZIP code 98122 in?

ZIP code 98122 is in King County, Washington (county FIPS code 53033).

What city is ZIP code 98122?

The primary USPS city for 98122 is Seattle, WA.

What metro area (MSA) is 98122 in?

98122 is part of the Seattle-Tacoma-Bellevue, WA Metro Area (MSA code 42660).

What is the population of ZIP code 98122?

The 2020 Census population of 98122 was 41,646 residents.

What is the median income in ZIP code 98122?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 98122 is about $76,357, with around 18% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.