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US ZIP Code Profile

ZIP Code 98133
Seattle, Washington

ZIP code 98133 is in Seattle, located in King County, Washington, within the Seattle-Tacoma-Bellevue metro area. Its 2020 Census population was 50,720. The estimated median adjusted gross income per tax return is $64,923, and about 11% of filers report $200,000 or more.

2020 Population
50,720
Census ZCTA
County
King
FIPS 53033
Median income (est.)
$64,923
IRS SOI 2022
Land Area
7.09 mi²
+ 0.078 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
Coordinates47.740486, -122.34283
Land / Water Area7.09 mi² land · 0.078 mi² water

02Income & Economics

Distribution of the 25,500 individual tax returns filed in 98133 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.1%
$25K–$50K
20.2%
$50K–$75K
17.8%
$75K–$100K
11.7%
$100K–$200K
20.2%
$200K+
11.0%
The $200,000+ bracket accounts for 39% of 98133's total adjusted gross income, from 11% of returns — a concentration that drives the gap between the median ($64,923) 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 98133's IRS income metrics, 2020–2022.

Median income (2021→2022)
$64,923
▲ 7.0%
Filers earning $200K+
11.0%
▲ 0.7 pt
Total filers
25,500
▲ 0.5%
GET /zipc/v2/zipcodes/98133/soi?year=… $54K 2020 $61K 2021 $65K 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 98133 ZCTA.

2000
42,896
 
2010
44,555
▲ +3.9%
2020
50,720
▲ +13.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 98133. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 98133

Seattle and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 98133 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 AliasesBitter Lake, Richmond Highlands, Seattle, Shoreline

07Frequently Asked Questions

What county is ZIP code 98133 in?

ZIP code 98133 is in King County, Washington (county FIPS code 53033).

What city is ZIP code 98133?

The primary USPS city for 98133 is Seattle, WA.

What metro area (MSA) is 98133 in?

98133 is part of the Seattle-Tacoma-Bellevue, WA Metro Area (MSA code 42660).

What is the population of ZIP code 98133?

The 2020 Census population of 98133 was 50,720 residents.

What is the median income in ZIP code 98133?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 98133 is about $64,923, with around 11% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.