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Where 98505 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.
- 🔢 Type 98505 into a pocket calculator and turn it upside down: SOSBG — not quite a word, sorry.
- ➕ As a number, 98,505 = 3 × 3 × 5 × 11 × 199. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000000011001001 - 🏠 Its numerical neighbours: 98504 (Olympia, WA, 4 mi away) and 98506 (Olympia, WA, 5 mi away).
- 🔄 Backwards, 98505 becomes 50589, which is not a ZIP code at all.
- 👥 12 other ZIP codes are made of exactly the same digits (05859, 08559, 09855, 50598, 50859, 55089, …). The farthest-flung twin is 09855 in APO AE, a military post office, 7,437 miles away.
- 🧭 Farther north than 95% of all ZIP codes, and farther west than 98%.
- 🎯1,315 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 98505 and you would come out at 47.07°S, 57.03°E — 627 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 0.288 square miles of land, 98505 is bigger than 3% of ZIP codes — about 139 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 881This ZIP881 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Median age | 19.9This ZIP19.9Washington38.3US 38.9 |
| Bachelor's degree or higher | 66.7%This ZIP66.7% |
| Mean commute | 15.7 minThis ZIP15.7 min |
| Population density | 3,059.0 / sq miThis ZIP3,059.0 / sq mi |
Land area
| Land area | 0.29 sq miThis ZIP0.29 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 98505
| ZIP | City | Distance |
|---|---|---|
98502 | Olympia, WA | 2.5 mi |
98504 | Olympia, WA | 4.2 mi |
98507 | Olympia, WA | 4.2 mi |
98508 | Olympia, WA | 4.2 mi |
98599 | Olympia, WA | 4.2 mi |
98506 | Olympia, WA | 5.4 mi |
98501 | Olympia, WA | 8.0 mi |
98511 | Tumwater, WA | 8.1 mi |
98512 | Olympia, WA | 9.0 mi |
98516 | Olympia, WA | 9.0 mi |
Find every ZIP code within 10 miles of 98505 →
Questions about this ZIP code
Where is ZIP code 98505?
98505 is in Olympia, Washington, in Thurston County, part of the Olympia-Lacey-Tumwater, WA metropolitan area. Its published point location is 47.0732, -122.9736.
What county is 98505 in?
98505 lies in Thurston County.
What area code is 98505?
Olympia uses area codes 360 and 564, from NANPA's telephone records.
What time zone is 98505 in?
98505 uses America/Los_Angeles.
How many people live in 98505?
About 881 people live in ZIP code 98505, at 3,059.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 98505?
The closest are 98502 (2.5 mi), 98504 (4.2 mi), 98507 (4.2 mi), 98508 (4.2 mi) and 98599 (4.2 mi).
Is 98505 a PO Box ZIP code?
98505 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “98505 ZIP Code — Olympia, Washington (Thurston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98505
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/98505.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.