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/98284

98284

ZIP 98284 is Sedro Woolley, Washington, mostly in Skagit County; area codes 360 and 564; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Skagit +1 more
Population
27,835
Coordinates
48.5468, -122.1352
☼ Live from 98284 — Sedro Woolley, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 98284 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 98284
  • 🔢 Type 98284 into a pocket calculator and turn it upside down: hBZBG — not quite a word, sorry.
  • ➕ As a number, 98,284 = 2 × 2 × 24571. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111111101100
  • 🏠 Its numerical neighbours: 98283 (Rockport, WA, 42 mi away) and 98286 (Shaw Island, WA, 38 mi away).
  • 🔄 Backwards, 98284 becomes 48289, which is not a ZIP code at all.
  • 👥 10 other ZIP codes are made of exactly the same digits (24898, 29488, 29848, 48829, 48892, 49288, …). The farthest-flung twin is 29488 in Walterboro, SC, 2,387 miles away.
  • 🧭 Farther north than 98% of all ZIP codes, and farther west than 96%.
  • 🎯1,306 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98284 and you would come out at 48.55°S, 57.86°E — 563 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 08m of daylight. Shortest: 8h 17m.
  • 📏 At 281.3 square miles of land, 98284 is bigger than 94% of ZIP codes — room for about 214 Central Parks.
🌙 The sky over 98284 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population27,835This ZIP27,835
Households10,773This ZIP10,773
Housing units11,256This ZIP11,256
Median age39.7This ZIP39.7Washington38.3US 38.9
Median household income$93,006This ZIP$93,006Washington$98,141US $80,734
Median home value$482,500This ZIP$482,500Washington$564,600US $332,700
Median gross rent$1,556This ZIP$1,556Washington$1,760US $1,413
Bachelor's degree or higher21.2%This ZIP21.2%
Mean commute31.6 minThis ZIP31.6 min
Population density98.9 / sq miThis ZIP98.9 / sq mi

Business and tax activity

Business establishments446This ZIP446
Employees4,038This ZIP4,038
Annual payroll$257,735,000This ZIP$257,735,000
Tax returns filed12,530This ZIP12,530
Total adjusted gross income$937,179,000This ZIP$937,179,000

Land area

Land area281.31 sq miThis ZIP281.31 sq mi
Water area6.28 sq miThis ZIP6.28 sq mi

Counties 98284 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Skagit County 92.6%
Whatcom County 7.4%

Other place names in 98284

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

ZIP codes near 98284

ZIPCityDistance
98263 Lyman, WA 3.6 mi
98255 Hamilton, WA 6.7 mi
98235 Clearlake, WA 7.3 mi
98220 Acme, WA 9.9 mi
98233 Burlington, WA 10.1 mi
98232 Bow, WA 12.6 mi
98274 Mount Vernon, WA 13.7 mi
98273 Mount Vernon, WA 14.9 mi
98229 Bellingham, WA 16.3 mi
98238 Conway, WA 17.5 mi

Find every ZIP code within 10 miles of 98284 →

Questions about this ZIP code

Where is ZIP code 98284?

98284 is in Sedro Woolley, Washington, in Skagit County, part of the Mount Vernon-Anacortes, WA metropolitan area. Its published point location is 48.5468, -122.1352.

What county is 98284 in?

98284 spans 2 counties: Skagit County and Whatcom County. Most of it falls in Skagit County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 98284?

Sedro Woolley uses area codes 360 and 564, from NANPA's telephone records.

What time zone is 98284 in?

98284 uses America/Los_Angeles.

How many people live in 98284?

About 27,835 people live in ZIP code 98284, in 10,773 households, at 98.9 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 98284?

$93,006 a year, against $98,141 across Washington.

What ZIP codes are near 98284?

The closest are 98263 (3.6 mi), 98255 (6.7 mi), 98235 (7.3 mi), 98220 (9.9 mi) and 98233 (10.1 mi).

Is 98284 a PO Box ZIP code?

98284 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98284 ZIP Code — Sedro Woolley, Washington (Skagit County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98284

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/98284.json

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