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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/98112

98112

ZIP 98112 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
23,921
Coordinates
47.6375, -122.2877
☼ Live from 98112 — Seattle, WA

Weather right now

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Local time: —

Where 98112 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 98112
  • 🔢 Type 98112 into a pocket calculator and turn it upside down: ZIIBG — not quite a word, sorry.
  • ➕ As a number, 98,112 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 73. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111101000000
  • 🏠 Its numerical neighbours: 98111 (Seattle, WA, 3 mi away) and 98113 (Seattle, WA, 3 mi away).
  • 🔄 Backwards, 98112 becomes 21189, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (12189, 12198, 12819, 12918, 12981, 18219, …). The farthest-flung twin is 19182 in Philadelphia, PA, 2,371 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 98112 and you would come out at 47.64°S, 57.71°E — 584 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 59m of daylight. Shortest: 8h 25m.
  • 📏 At 3.2 square miles of land, 98112 is bigger than 15% of ZIP codes — room for about 2.4 Central Parks.
🌙 The sky over 98112 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,921This ZIP23,921
Households10,918This ZIP10,918
Housing units11,513This ZIP11,513
Median age40.4This ZIP40.4Washington38.3US 38.9
Median household income$171,572This ZIP$171,572Washington$98,141US $80,734
Median home value$1,549,100This ZIP$1,549,100Washington$564,600US $332,700
Median gross rent$2,136This ZIP$2,136Washington$1,760US $1,413
Bachelor's degree or higher81.8%This ZIP81.8%
Mean commute23.9 minThis ZIP23.9 min
Population density7,466.0 / sq miThis ZIP7,466.0 / sq mi

Business and tax activity

Business establishments697This ZIP697
Employees6,614This ZIP6,614
Annual payroll$420,173,000This ZIP$420,173,000
Tax returns filed12,200This ZIP12,200
Total adjusted gross income$4,241,895,000This ZIP$4,241,895,000

Land area

Land area3.20 sq miThis ZIP3.20 sq mi
Water area2.08 sq miThis ZIP2.08 sq mi

Other place names in 98112

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

ZIP codes near 98112

ZIPCityDistance
98195 Seattle, WA 1.5 mi
98105 Seattle, WA 1.5 mi
98102 Seattle, WA 1.7 mi
98122 Seattle, WA 2.0 mi
98039 Medina, WA 2.2 mi
98109 Seattle, WA 2.7 mi
98170 Seattle, WA 2.8 mi
98101 Seattle, WA 2.9 mi
98127 Seattle, WA 2.9 mi
98111 Seattle, WA 3.0 mi

Find every ZIP code within 10 miles of 98112 →

Questions about this ZIP code

Where is ZIP code 98112?

98112 is in Seattle, Washington, in King County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.6375, -122.2877.

What county is 98112 in?

98112 lies in King County.

What area code is 98112?

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

What time zone is 98112 in?

98112 uses America/Los_Angeles.

How many people live in 98112?

About 23,921 people live in ZIP code 98112, in 10,918 households, at 7,466.0 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 98112?

$171,572 a year, against $98,141 across Washington.

What ZIP codes are near 98112?

The closest are 98195 (1.5 mi), 98105 (1.5 mi), 98102 (1.7 mi), 98122 (2 mi) and 98039 (2.2 mi).

Is 98112 a PO Box ZIP code?

98112 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98112 ZIP Code — Seattle, Washington (King County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98112

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