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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/48634

48634

ZIP 48634 is Linwood, Michigan, in Bay County; area code 989; Eastern time.

Type
Standard
Time zone
America/Detroit
County
Bay
Metro area
Bay City, MI
Population
4,334
Coordinates
43.7596, -84.0358
☼ Live from 48634 — Linwood, MI

Weather right now

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Local time: —

Where 48634 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 48634
  • 🔢 Type 48634 into a pocket calculator and turn it upside down: hEgBh — not quite a word, sorry.
  • ➕ As a number, 48,634 = 2 × 24317. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110111111010
  • 🏠 Its numerical neighbours: 48633 (Lake George, MI, 47 mi away) and 48635 (Lupton, MI, 43 mi away).
  • 🔄 Backwards, 48634 becomes 43684, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (34684, 38464, 38644, 43468, 44638, 44683, …). The farthest-flung twin is 86443 in Temple Bar Marina, AZ, 1,690 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther east than 60%.
  • 🎯796 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48634 and you would come out at 43.76°S, 95.96°E — 1,276 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
  • 📏 At 49.0 square miles of land, 48634 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
🌙 The sky over 48634 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,334This ZIP4,334
Households1,917This ZIP1,917
Housing units2,082This ZIP2,082
Median age48.1This ZIP48.1Michigan40.2US 38.9
Median household income$87,992This ZIP$87,992Michigan$72,875US $80,734
Median home value$167,400This ZIP$167,400Michigan$231,600US $332,700
Median gross rent$751This ZIP$751Michigan$1,129US $1,413
Bachelor's degree or higher23.6%This ZIP23.6%
Mean commute27.4 minThis ZIP27.4 min
Population density88.5 / sq miThis ZIP88.5 / sq mi

Business and tax activity

Business establishments71This ZIP71
Employees537This ZIP537
Annual payroll$23,753,000This ZIP$23,753,000
Tax returns filed2,170This ZIP2,170
Total adjusted gross income$153,017,000This ZIP$153,017,000

Land area

Land area48.96 sq miThis ZIP48.96 sq mi
Water area7.37 sq miThis ZIP7.37 sq mi

ZIP codes near 48634

ZIPCityDistance
48631 Kawkawlin, MI 5.3 mi
48707 Bay City, MI 5.3 mi
48650 Pinconning, MI 6.3 mi
48611 Auburn, MI 9.2 mi
48642 Midland, MI 10.7 mi
48652 Rhodes, MI 10.9 mi
48706 Bay City, MI 11.5 mi
48674 Midland, MI 12.9 mi
48670 Midland, MI 13.9 mi
48710 University Center, MI 14.2 mi

Find every ZIP code within 10 miles of 48634 →

Questions about this ZIP code

Where is ZIP code 48634?

48634 is in Linwood, Michigan, in Bay County, part of the Bay City, MI metropolitan area. Its published point location is 43.7596, -84.0358.

What county is 48634 in?

48634 lies in Bay County.

What area code is 48634?

Linwood uses area code 989, from NANPA's telephone records.

What time zone is 48634 in?

48634 uses America/Detroit.

How many people live in 48634?

About 4,334 people live in ZIP code 48634, in 1,917 households, at 88.5 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 48634?

$87,992 a year, against $72,875 across Michigan.

What ZIP codes are near 48634?

The closest are 48631 (5.3 mi), 48707 (5.3 mi), 48650 (6.3 mi), 48611 (9.2 mi) and 48642 (10.7 mi).

Is 48634 a PO Box ZIP code?

48634 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48634 ZIP Code — Linwood, Michigan (Bay County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48634

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