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/98579

98579

ZIP 98579 is Rochester, Washington, mostly in Thurston County; area codes 360 and 564; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Thurston +2 more
Population
14,048
Coordinates
46.7882, -123.1255
☼ Live from 98579 — Rochester, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 98579 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 98579
  • 🔢 Type 98579 into a pocket calculator and turn it upside down: GLSBG — not quite a word, sorry.
  • ➕ As a number, 98,579 = 13 × 7583. Its digits add up to 38, a total 58 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000100010011
  • 🏠 Its numerical neighbours: 98577 (Raymond, WA, 25 mi away) and 98580 (Roy, WA, 32 mi away).
  • 🔄 Backwards, 98579 becomes 97589, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (78599, 78959, 79958, 95798, 95978, 95987, …). The farthest-flung twin is 99785 in Brevig Mission, AK, 2,041 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 98%.
  • 🎯1,318 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98579 and you would come out at 46.79°S, 56.87°E — 640 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 52m of daylight. Shortest: 8h 32m.
  • 📏 At 94.2 square miles of land, 98579 is bigger than 76% of ZIP codes — room for about 72 Central Parks.
🌙 The sky over 98579 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population14,048This ZIP14,048
Households5,023This ZIP5,023
Housing units5,234This ZIP5,234
Median age41.6This ZIP41.6Washington38.3US 38.9
Median household income$99,411This ZIP$99,411Washington$98,141US $80,734
Median home value$463,400This ZIP$463,400Washington$564,600US $332,700
Median gross rent$1,532This ZIP$1,532Washington$1,760US $1,413
Bachelor's degree or higher20.6%This ZIP20.6%
Mean commute29.4 minThis ZIP29.4 min
Population density149.1 / sq miThis ZIP149.1 / sq mi

Business and tax activity

Business establishments235This ZIP235
Employees1,956This ZIP1,956
Annual payroll$84,522,000This ZIP$84,522,000
Tax returns filed6,240This ZIP6,240
Total adjusted gross income$477,800,000This ZIP$477,800,000

Land area

Land area94.23 sq miThis ZIP94.23 sq mi
Water area0.52 sq miThis ZIP0.52 sq mi

Counties 98579 spans

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

CountyShare of this ZIP
Thurston County 59.0%
Lewis County 40.6%
Grays Harbor County 0.4%

Other place names in 98579

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

ZIP codes near 98579

ZIPCityDistance
98544 Galvin, WA 5.8 mi
98556 Littlerock, WA 6.8 mi
98568 Oakville, WA 9.8 mi
98531 Centralia, WA 11.1 mi
98522 Adna, WA 11.4 mi
98532 Chehalis, WA 11.7 mi
98530 Bucoda, WA 11.9 mi
98512 Olympia, WA 12.0 mi
98539 Doty, WA 12.5 mi
98511 Tumwater, WA 12.8 mi

Find every ZIP code within 10 miles of 98579 →

Questions about this ZIP code

Where is ZIP code 98579?

98579 is in Rochester, Washington, in Thurston County, part of the Olympia-Lacey-Tumwater, WA metropolitan area. Its published point location is 46.7882, -123.1255.

What county is 98579 in?

98579 spans 3 counties: Thurston County, Lewis County and Grays Harbor County. Most of it falls in Thurston 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 98579?

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

What time zone is 98579 in?

98579 uses America/Los_Angeles.

How many people live in 98579?

About 14,048 people live in ZIP code 98579, in 5,023 households, at 149.1 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 98579?

$99,411 a year, against $98,141 across Washington.

What ZIP codes are near 98579?

The closest are 98544 (5.8 mi), 98556 (6.8 mi), 98568 (9.8 mi), 98531 (11.1 mi) and 98522 (11.4 mi).

Is 98579 a PO Box ZIP code?

98579 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98579 ZIP Code — Rochester, Washington (Thurston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98579

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/98579.json

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