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US ZIP Code Profile

ZIP Code 98075
Sammamish, Washington

ZIP code 98075 is in Sammamish, located in King County, Washington, within the Seattle-Tacoma-Bellevue metro area. Its 2020 Census population was 26,022. The estimated median adjusted gross income per tax return is $191,761, and about 49% of filers report $200,000 or more.

2020 Population
26,022
Census ZCTA
County
King
FIPS 53033
Median income (est.)
$191,761
IRS SOI 2022
Land Area
9.475 mi²
+ 1.744 mi² water

01Location & Geography

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

Primary CitySammamish, WA
CountyKing County (FIPS 53033)
StateWashington (FIPS 53)
Metro Area (MSA)Seattle-Tacoma-Bellevue, WA Metro Area (42660)
Census Region / DivisionWest Region · Pacific Division
Coordinates47.58609, -122.03744
Land / Water Area9.475 mi² land · 1.744 mi² water

02Income & Economics

Distribution of the 11,210 individual tax returns filed in 98075 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
17.0%
$25K–$50K
7.5%
$50K–$75K
6.2%
$75K–$100K
4.8%
$100K–$200K
15.7%
$200K+
48.7%
The $200,000+ bracket accounts for 88% of 98075's total adjusted gross income, from 49% of returns — a concentration that drives the gap between the median ($191,761) 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 98075's IRS income metrics, 2020–2022.

Median income (2021→2022)
$191,761
▼ 2.4%
Filers earning $200K+
48.7%
▼ 0.7 pt
Total filers
11,210
▲ 2.1%
GET /zipc/v2/zipcodes/98075/soi?year=… $176K 2020 $196K 2021 $192K 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 98075 ZCTA.

2010
20,715
 
2020
26,022
▲ +25.6%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 98075. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 98075

Sammamish and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 98075 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 TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortD
USPS Finance Number543878
City AliasesIssaquah, Sammamish

07Frequently Asked Questions

What county is ZIP code 98075 in?

ZIP code 98075 is in King County, Washington (county FIPS code 53033).

What city is ZIP code 98075?

The primary USPS city for 98075 is Sammamish, WA.

What metro area (MSA) is 98075 in?

98075 is part of the Seattle-Tacoma-Bellevue, WA Metro Area (MSA code 42660).

What is the population of ZIP code 98075?

The 2020 Census population of 98075 was 26,022 residents.

What is the median income in ZIP code 98075?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 98075 is about $191,761, with around 49% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.