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zipcodes.pro — ZIP/98038

98038

ZIP 98038 is Maple Valley, Washington, in King County; area code 425; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
King
Population
37,324
Coordinates
47.4194, -121.9580
☼ Live from 98038 — Maple Valley, WA

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NEXRAD radar
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Local time: —

Where 98038 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 98038
  • 🔢 Type 98038 into a pocket calculator and turn it upside down: BEOBG — not quite a word, sorry.
  • ➕ As a number, 98,038 = 2 × 49019. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111011110110
  • 🏠 Its numerical neighbours: 98037 (Lynnwood, WA, 33 mi away) and 98039 (Medina, WA, 20 mi away).
  • 🔄 Backwards, 98038 becomes 83089, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (09838, 09883, 39088, 80938, 83809, 88039, …). The farthest-flung twin is 09883 in APO AA, a military post office, 7,405 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 95%.
  • 🎯1,275 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98038 and you would come out at 47.42°S, 58.04°E — 574 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 57m of daylight. Shortest: 8h 27m.
  • 📏 At 65.8 square miles of land, 98038 is bigger than 67% of ZIP codes — room for about 50 Central Parks.
🌙 The sky over 98038 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population37,324This ZIP37,324
Households12,618This ZIP12,618
Housing units12,936This ZIP12,936
Median age38.5This ZIP38.5Washington38.3US 38.9
Median household income$152,261This ZIP$152,261Washington$98,141US $80,734
Median home value$776,900This ZIP$776,900Washington$564,600US $332,700
Median gross rent$2,316This ZIP$2,316Washington$1,760US $1,413
Bachelor's degree or higher49.0%This ZIP49.0%
Mean commute36.5 minThis ZIP36.5 min
Population density567.1 / sq miThis ZIP567.1 / sq mi

Business and tax activity

Business establishments752This ZIP752
Employees6,029This ZIP6,029
Annual payroll$314,712,000This ZIP$314,712,000
Tax returns filed16,630This ZIP16,630
Total adjusted gross income$2,292,617,000This ZIP$2,292,617,000

Land area

Land area65.81 sq miThis ZIP65.81 sq mi
Water area0.35 sq miThis ZIP0.35 sq mi

Other place names in 98038

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

ZIP codes near 98038

ZIPCityDistance
98025 Hobart, WA 1.1 mi
98051 Ravensdale, WA 6.2 mi
98027 Issaquah, WA 6.7 mi
98010 Black Diamond, WA 7.4 mi
98058 Renton, WA 8.0 mi
98042 Kent, WA 8.4 mi
98050 Preston, WA 8.9 mi
98059 Renton, WA 9.6 mi
98029 Issaquah, WA 9.9 mi
98093 Federal Way, WA 10.5 mi

Find every ZIP code within 10 miles of 98038 →

Questions about this ZIP code

Where is ZIP code 98038?

98038 is in Maple Valley, Washington, in King County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.4194, -121.9580.

What county is 98038 in?

98038 lies in King County.

What area code is 98038?

Maple Valley uses area code 425, from NANPA's telephone records.

What time zone is 98038 in?

98038 uses America/Los_Angeles.

How many people live in 98038?

About 37,324 people live in ZIP code 98038, in 12,618 households, at 567.1 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 98038?

$152,261 a year, against $98,141 across Washington.

What ZIP codes are near 98038?

The closest are 98025 (1.1 mi), 98051 (6.2 mi), 98027 (6.7 mi), 98010 (7.4 mi) and 98058 (8 mi).

Is 98038 a PO Box ZIP code?

98038 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98038 ZIP Code — Maple Valley, Washington (King County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98038

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