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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/98125

98125

ZIP 98125 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
44,520
Coordinates
47.7169, -122.3006
☼ Live from 98125 — Seattle, WA

Weather right now

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Local time: —

Where 98125 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 98125
  • 🔢 Type 98125 into a pocket calculator and turn it upside down: SZIBG — not quite a word, sorry.
  • ➕ As a number, 98,125 = 5 × 5 × 5 × 5 × 157. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111101001101
  • 🏠 Its numerical neighbours: 98124 (Seattle, WA, 8 mi away) and 98126 (Seattle, WA, 12 mi away).
  • 🔄 Backwards, 98125 becomes 52189, which is not a ZIP code at all.
  • 👥 34 other ZIP codes are made of exactly the same digits (12589, 12859, 12958, 12985, 15289, 15829, …). The farthest-flung twin is 28519 in Bridgeton, NC, 2,462 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 96%.
  • 🎯1,296 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98125 and you would come out at 47.72°S, 57.70°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 24m.
  • 📏 At 5.4 square miles of land, 98125 is bigger than 20% of ZIP codes — room for about 4.1 Central Parks.
🌙 The sky over 98125 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population44,520This ZIP44,520
Households20,688This ZIP20,688
Housing units22,057This ZIP22,057
Median age37.3This ZIP37.3Washington38.3US 38.9
Median household income$99,868This ZIP$99,868Washington$98,141US $80,734
Median home value$874,300This ZIP$874,300Washington$564,600US $332,700
Median gross rent$1,908This ZIP$1,908Washington$1,760US $1,413
Bachelor's degree or higher60.2%This ZIP60.2%
Mean commute26.6 minThis ZIP26.6 min
Population density8,206.5 / sq miThis ZIP8,206.5 / sq mi

Business and tax activity

Business establishments1,009This ZIP1,009
Employees9,397This ZIP9,397
Annual payroll$601,495,000This ZIP$601,495,000
Tax returns filed21,720This ZIP21,720
Total adjusted gross income$2,429,003,000This ZIP$2,429,003,000

Land area

Land area5.43 sq miThis ZIP5.43 sq mi
Water area0.79 sq miThis ZIP0.79 sq mi

Other place names in 98125

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

ZIP codes near 98125

ZIPCityDistance
98165 Seattle, WA 0.1 mi
98175 Seattle, WA 0.1 mi
98115 Seattle, WA 2.3 mi
98133 Seattle, WA 2.6 mi
98155 Seattle, WA 2.6 mi
98028 Kenmore, WA 3.4 mi
98103 Seattle, WA 3.4 mi
98113 Seattle, WA 3.7 mi
98177 Seattle, WA 3.7 mi
98105 Seattle, WA 4.0 mi

Find every ZIP code within 10 miles of 98125 →

Questions about this ZIP code

Where is ZIP code 98125?

98125 is in Seattle, Washington, in King County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.7169, -122.3006.

What county is 98125 in?

98125 lies in King County.

What area code is 98125?

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

What time zone is 98125 in?

98125 uses America/Los_Angeles.

How many people live in 98125?

About 44,520 people live in ZIP code 98125, in 20,688 households, at 8,206.5 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 98125?

$99,868 a year, against $98,141 across Washington.

What ZIP codes are near 98125?

The closest are 98165 (0.1 mi), 98175 (0.1 mi), 98115 (2.3 mi), 98133 (2.6 mi) and 98155 (2.6 mi).

Is 98125 a PO Box ZIP code?

98125 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “98125 ZIP Code — Seattle, Washington (King County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98125

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