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 — ZIP/98105

98105

ZIP 98105 is in Seattle, Washington, in King County; area code 206; Pacific time. Seattle has 59 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
King
Population
49,767
Coordinates
47.6599, -122.2850
☼ Live from 98105 — Seattle, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 98105 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 98105
  • 🔢 Type 98105 into a pocket calculator and turn it upside down: SOIBG — not quite a word, sorry.
  • ➕ As a number, 98,105 = 5 × 7 × 2803. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111100111001
  • 🏠 Its numerical neighbours: 98104 (Seattle, WA, 5 mi away) and 98106 (Seattle, WA, 9 mi away).
  • 🔄 Backwards, 98105 becomes 50189, which is not a ZIP code at all.
  • 👥 42 other ZIP codes are made of exactly the same digits (01985, 05819, 09185, 09815, 09851, 10589, …). The farthest-flung twin is 09815 in APO AE, a military post office, 9,460 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 96%.
  • 🎯1,294 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98105 and you would come out at 47.66°S, 57.72°E — 583 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 00m of daylight. Shortest: 8h 25m.
  • 📏 At 3.8 square miles of land, 98105 is bigger than 16% of ZIP codes — room for about 2.9 Central Parks.
🌙 The sky over 98105 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population49,767This ZIP49,767
Households18,756This ZIP18,756
Housing units21,251This ZIP21,251
Median age24.6This ZIP24.6Washington38.3US 38.9
Median household income$74,349This ZIP$74,349Washington$98,141US $80,734
Median home value$1,312,100This ZIP$1,312,100Washington$564,600US $332,700
Median gross rent$1,849This ZIP$1,849Washington$1,760US $1,413
Bachelor's degree or higher78.3%This ZIP78.3%
Mean commute25.3 minThis ZIP25.3 min
Population density12,970.3 / sq miThis ZIP12,970.3 / sq mi

Business and tax activity

Business establishments1,313This ZIP1,313
Employees21,275This ZIP21,275
Annual payroll$1,841,516,000This ZIP$1,841,516,000
Tax returns filed17,690This ZIP17,690
Total adjusted gross income$3,101,903,000This ZIP$3,101,903,000

Land area

Land area3.84 sq miThis ZIP3.84 sq mi
Water area2.36 sq miThis ZIP2.36 sq mi

Other place names in 98105

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 98105

ZIPCityDistance
98195 Seattle, WA 1.2 mi
98112 Seattle, WA 1.5 mi
98115 Seattle, WA 1.8 mi
98103 Seattle, WA 2.5 mi
98102 Seattle, WA 2.5 mi
98039 Medina, WA 2.7 mi
98113 Seattle, WA 2.7 mi
98109 Seattle, WA 3.5 mi
98122 Seattle, WA 3.5 mi
98083 Kirkland, WA 3.9 mi

Find every ZIP code within 10 miles of 98105 →

Questions about this ZIP code

Where is ZIP code 98105?

98105 is in Seattle, Washington, in King County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.6599, -122.2850.

What county is 98105 in?

98105 lies in King County.

What area code is 98105?

Seattle uses area code 206, from NANPA's telephone records.

What time zone is 98105 in?

98105 uses America/Los_Angeles.

How many people live in 98105?

About 49,767 people live in ZIP code 98105, in 18,756 households, at 12,970.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 98105?

$74,349 a year, against $98,141 across Washington.

What ZIP codes are near 98105?

The closest are 98195 (1.2 mi), 98112 (1.5 mi), 98115 (1.8 mi), 98103 (2.5 mi) and 98102 (2.5 mi).

Is 98105 a PO Box ZIP code?

98105 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98105 ZIP Code — Seattle, Washington (King County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98105

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/98105.json

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