Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/WA/SISCO-HEIGHTS

Sisco Heights ZIP codes, Washington

No ZIP code is named for Sisco Heights, WA; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 98258, 98223 and 98271.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
3,015

Sisco Heights in numbers

About 3,015 people live in Sisco Heights, in 1,051 households. The median household income is $119,158 a year, 21% above the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $735,000 (30% above the Washington median), and median gross rent is $1,701 a month. The median age is 47.3; 27.6% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 35 minutes.

Population3,015Sisco Heights3,015
Households1,051Sisco Heights1,051
Median age47.3Sisco Heights47.3Washington38.3US 38.9
Median household income$119,158Sisco Heights$119,158Washington$98,141US $80,734
Median home value$735,000Sisco Heights$735,000Washington$564,600US $332,700
Median gross rent$1,701Sisco Heights$1,701Washington$1,760US $1,413
Bachelor's degree or higher27.6%Sisco Heights27.6%Washington39.6%US 35.7%
Mean commute34.5 minSisco Heights34.5 minWashington26.6 minUS 26.4 min
Population density218 / sq miSisco Heights218 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Sisco Heights CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Sisco Heights

These ZIP codes cover part of Sisco Heights but are addressed as somewhere else.

ZIP codes overlapping Sisco Heights
ZIP City Type Population Median income Median home
98223 Arlington , WA Standard 46,497 $99,681 $601,400
98258 Lake Stevens , WA Standard 52,752 $123,898 $653,100
98271 Marysville , WA Standard 30,838 $95,654 $538,400

Map of Sisco Heights ZIP codes

982239825898271

The ZIP codes of Sisco Heights, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Sisco Heights

The nearest larger towns are Marysville (73,002 people, 3.3 mi), Lake Cassidy (3,292 people, 3.8 mi) and Arlington (21,095 people, 4.0 mi).

Towns near Sisco Heights
TownPopulationDistance
Marysville 73,002 3.3 mi
Lake Cassidy 3,292 3.8 mi
Arlington 21,095 4.0 mi
Lochsloy 3,029 5.1 mi
Canyon Creek 3,910 5.9 mi
Granite Falls 4,659 6.8 mi
Arlington Heights 2,727 6.9 mi
Lake Goodwin 5,536 7.7 mi
Lake Stevens 40,253 7.9 mi
Bryant 2,648 9.4 mi
Bunk Foss 3,627 10.8 mi
Everett 111,845 11.1 mi
Warm Beach 3,442 11.4 mi
Fobes Hill 2,569 12.4 mi

More nearby: every ZIP code in Snohomish County · Washington ZIP codes

Cite this page

zipcodes.pro. “Sisco Heights, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/sisco-heights

Underlying data is public domain or openly licensed — sources, vintages and licences.