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US ZIP Code Profile

ZIP Code 98134
Seattle, Washington

ZIP code 98134 is in Seattle, located in King County, Washington, within the Seattle-Tacoma-Bellevue metro area. Its 2020 Census population was 1,216. The estimated median adjusted gross income per tax return is $62,500, and about 14% of filers report $200,000 or more.

2020 Population
1,216
Census ZCTA
County
King
FIPS 53033
Median income (est.)
$62,500
IRS SOI 2022
Land Area
3.373 mi²
+ 0.73 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
Coordinates47.581062, -122.33815
Land / Water Area3.373 mi² land · 0.73 mi² water

02Income & Economics

Distribution of the 360 individual tax returns filed in 98134 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.2%
$25K–$50K
19.4%
$50K–$75K
16.7%
$75K–$100K
11.1%
$100K–$200K
16.7%
$200K+
13.9%
The $200,000+ bracket accounts for 79% of 98134's total adjusted gross income, from 14% of returns — a concentration that drives the gap between the median ($62,500) 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 98134's IRS income metrics, 2020–2022.

Median income (2021→2022)
$62,500
▲ 2.9%
Filers earning $200K+
13.9%
▲ 2.0 pt
Total filers
360
▼ 14.3%
GET /zipc/v2/zipcodes/98134/soi?year=… $53K 2020 $61K 2021 $62K 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 98134 ZCTA.

2000
636
 
2010
644
▲ +1.3%
2020
1,216
▲ +88.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 98134. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 98134

Seattle and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 98134 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

07Frequently Asked Questions

What county is ZIP code 98134 in?

ZIP code 98134 is in King County, Washington (county FIPS code 53033).

What city is ZIP code 98134?

The primary USPS city for 98134 is Seattle, WA.

What metro area (MSA) is 98134 in?

98134 is part of the Seattle-Tacoma-Bellevue, WA Metro Area (MSA code 42660).

What is the population of ZIP code 98134?

The 2020 Census population of 98134 was 1,216 residents.

What is the median income in ZIP code 98134?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 98134 is about $62,500, with around 14% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.