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zipcodes.pro — ZIP/98645

98645

ZIP 98645 is Silverlake, Washington, in Cowlitz County; area codes 360 and 564; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Cowlitz
Metro area
Longview-Kelso, WA
Population
2,216
Coordinates
46.3319, -122.7601
☼ Live from 98645 — Silverlake, WA

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Where 98645 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 98645
  • 🔢 Type 98645 into a pocket calculator and turn it upside down: ShgBG — not quite a word, sorry.
  • ➕ As a number, 98,645 = 5 × 109 × 181. Its digits add up to 32, a total 644 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000101010101
  • 🏠 Its numerical neighbours: 98644 (Seaview, WA, 62 mi away) and 98647 (Skamokawa, WA, 31 mi away).
  • 🔄 Backwards, 98645 becomes 54689, which is not a ZIP code at all.
  • 👥 36 other ZIP codes are made of exactly the same digits (45698, 45869, 45896, 46859, 46895, 46958, …). The farthest-flung twin is 96548 in APO AA, a military post office, 8,008 miles away.
  • 🧭 Farther north than 94% of all ZIP codes, and farther west than 97%.
  • 🎯1,294 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98645 and you would come out at 46.33°S, 57.24°E — 636 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 48m of daylight. Shortest: 8h 36m.
  • 📏 At 15.2 square miles of land, 98645 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
🌙 The sky over 98645 today
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🌋 Shake report
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Source: USGS.

People and housing

Population2,216This ZIP2,216
Households876This ZIP876
Housing units925This ZIP925
Median age52.0This ZIP52.0Washington38.3US 38.9
Median household income$101,429This ZIP$101,429Washington$98,141US $80,734
Median home value$509,500This ZIP$509,500Washington$564,600US $332,700
Bachelor's degree or higher37.5%This ZIP37.5%
Mean commute29.8 minThis ZIP29.8 min
Population density145.9 / sq miThis ZIP145.9 / sq mi

Business and tax activity

Business establishments17This ZIP17
Employees91This ZIP91
Annual payroll$4,936,000This ZIP$4,936,000
Tax returns filed750This ZIP750
Total adjusted gross income$61,883,000This ZIP$61,883,000

Land area

Land area15.19 sq miThis ZIP15.19 sq mi
Water area2.54 sq miThis ZIP2.54 sq mi

ZIP codes near 98645

ZIPCityDistance
98611 Castle Rock, WA 7.0 mi
98591 Toledo, WA 7.7 mi
98649 Toutle, WA 10.9 mi
98626 Kelso, WA 11.1 mi
98593 Vader, WA 12.9 mi
98542 Ethel, WA 14.0 mi
98596 Winlock, WA 14.4 mi
98582 Salkum, WA 14.7 mi
98581 Ryderwood, WA 14.8 mi
98632 Longview, WA 16.9 mi

Find every ZIP code within 10 miles of 98645 →

Questions about this ZIP code

Where is ZIP code 98645?

98645 is in Silverlake, Washington, in Cowlitz County, part of the Longview-Kelso, WA metropolitan area. Its published point location is 46.3319, -122.7601.

What county is 98645 in?

98645 lies in Cowlitz County.

What area code is 98645?

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

What time zone is 98645 in?

98645 uses America/Los_Angeles.

How many people live in 98645?

About 2,216 people live in ZIP code 98645, in 876 households, at 145.9 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 98645?

$101,429 a year, against $98,141 across Washington.

What ZIP codes are near 98645?

The closest are 98611 (7 mi), 98591 (7.7 mi), 98649 (10.9 mi), 98626 (11.1 mi) and 98593 (12.9 mi).

Is 98645 a PO Box ZIP code?

98645 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “98645 ZIP Code — Silverlake, Washington (Cowlitz County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98645

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