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US ZIP Code Profile

ZIP Code 98125
Seattle, Washington

ZIP code 98125 is in Seattle, located in King County, Washington, within the Seattle-Tacoma-Bellevue metro area. Its 2020 Census population was 42,965. The estimated median adjusted gross income per tax return is $67,355, and about 14% of filers report $200,000 or more.

2020 Population
42,965
Census ZCTA
County
King
FIPS 53033
Median income (est.)
$67,355
IRS SOI 2022
Land Area
5.396 mi²
+ 1.052 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
Coordinates47.716843, -122.29865
Land / Water Area5.396 mi² land · 1.052 mi² water

02Income & Economics

Distribution of the 21,720 individual tax returns filed in 98125 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.0%
$25K–$50K
19.4%
$50K–$75K
16.7%
$75K–$100K
10.5%
$100K–$200K
20.3%
$200K+
14.1%
The $200,000+ bracket accounts for 48% of 98125's total adjusted gross income, from 14% of returns — a concentration that drives the gap between the median ($67,355) 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 98125's IRS income metrics, 2020–2022.

Median income (2021→2022)
$67,355
▲ 7.6%
Filers earning $200K+
14.1%
▲ 0.8 pt
Total filers
21,720
▼ 0.1%
GET /zipc/v2/zipcodes/98125/soi?year=… $57K 2020 $63K 2021 $67K 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 98125 ZCTA.

2000
34,994
 
2010
37,081
▲ +6.0%
2020
42,965
▲ +15.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 98125. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 98125

Seattle and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 98125 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 AliasesLake City, Northgate, Seattle

07Frequently Asked Questions

What county is ZIP code 98125 in?

ZIP code 98125 is in King County, Washington (county FIPS code 53033).

What city is ZIP code 98125?

The primary USPS city for 98125 is Seattle, WA.

What metro area (MSA) is 98125 in?

98125 is part of the Seattle-Tacoma-Bellevue, WA Metro Area (MSA code 42660).

What is the population of ZIP code 98125?

The 2020 Census population of 98125 was 42,965 residents.

What is the median income in ZIP code 98125?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 98125 is about $67,355, 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.