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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/98503

98503

ZIP 98503 is in Lacey, Washington, in Thurston County; area codes 360 and 564; Pacific time. Lacey has 2 ZIP codes; the other is 98509.

Type
Standard
Time zone
America/Los_Angeles
County
Thurston
Population
41,656
Coordinates
47.0233, -122.7935
☼ Live from 98503 — Lacey, WA

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Where 98503 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 98503
  • 🔢 Type 98503 into a pocket calculator and turn it upside down: EOSBG — not quite a word, sorry.
  • ➕ As a number, 98,503 = 137 × 719. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000011000111
  • 🏠 Its numerical neighbours: 98502 (Olympia, WA, 12 mi away) and 98504 (Olympia, WA, 5 mi away).
  • 🔄 Backwards, 98503 becomes 30589, which is not a ZIP code at all.
  • 👥 43 other ZIP codes are made of exactly the same digits (03589, 03598, 03859, 05839, 09358, 09835, …). The farthest-flung twin is 09853 in APO AE, a military post office, 7,439 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 97%.
  • 🎯1,306 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98503 and you would come out at 47.02°S, 57.21°E — 620 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 54m of daylight. Shortest: 8h 30m.
  • 📏 At 11.1 square miles of land, 98503 is bigger than 28% of ZIP codes — room for about 8.4 Central Parks.
🌙 The sky over 98503 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population41,656This ZIP41,656
Households17,664This ZIP17,664
Housing units18,387This ZIP18,387
Median age41.1This ZIP41.1Washington38.3US 38.9
Median household income$89,002This ZIP$89,002Washington$98,141US $80,734
Median home value$438,100This ZIP$438,100Washington$564,600US $332,700
Median gross rent$1,746This ZIP$1,746Washington$1,760US $1,413
Bachelor's degree or higher32.1%This ZIP32.1%
Mean commute24.7 minThis ZIP24.7 min
Population density3,760.2 / sq miThis ZIP3,760.2 / sq mi

Business and tax activity

Business establishments841This ZIP841
Employees17,356This ZIP17,356
Annual payroll$816,124,000This ZIP$816,124,000
Tax returns filed19,460This ZIP19,460
Total adjusted gross income$1,377,017,000This ZIP$1,377,017,000

Land area

Land area11.08 sq miThis ZIP11.08 sq mi
Water area0.96 sq miThis ZIP0.96 sq mi

Other place names in 98503

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

ZIP codes near 98503

ZIPCityDistance
98513 Olympia, WA 3.5 mi
98501 Olympia, WA 5.0 mi
98504 Olympia, WA 5.1 mi
98507 Olympia, WA 5.1 mi
98508 Olympia, WA 5.1 mi
98599 Olympia, WA 5.1 mi
98516 Olympia, WA 5.2 mi
98509 Lacey, WA 5.3 mi
98540 East Olympia, WA 5.3 mi
98506 Olympia, WA 6.9 mi

Find every ZIP code within 10 miles of 98503 →

Questions about this ZIP code

Where is ZIP code 98503?

98503 is in Lacey, Washington, in Thurston County, part of the Olympia-Lacey-Tumwater, WA metropolitan area. Its published point location is 47.0233, -122.7935.

What county is 98503 in?

98503 lies in Thurston County.

What area code is 98503?

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

What time zone is 98503 in?

98503 uses America/Los_Angeles.

How many people live in 98503?

About 41,656 people live in ZIP code 98503, in 17,664 households, at 3,760.2 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 98503?

$89,002 a year, against $98,141 across Washington.

What ZIP codes are near 98503?

The closest are 98513 (3.5 mi), 98501 (5 mi), 98504 (5.1 mi), 98507 (5.1 mi) and 98508 (5.1 mi).

Is 98503 a PO Box ZIP code?

98503 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “98503 ZIP Code — Lacey, Washington (Thurston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98503

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