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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/48040

48040

ZIP 48040 is Marysville, Michigan, in St. Clair County; area code 810; Eastern time.

Type
Standard
Time zone
America/Detroit
County
St. Clair
Population
9,925
Coordinates
42.9103, -82.4806
☼ Live from 48040 — Marysville, MI

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 48040 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 48040
  • 🔢 Type 48040 into a pocket calculator and turn it upside down: OhOBh — not quite a word, sorry.
  • ➕ As a number, 48,040 = 2 × 2 × 2 × 5 × 1201. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011101110101000
  • 🏠 Its numerical neighbours: 48039 (Marine City, MI, 15 mi away) and 48041 (Memphis, MI, 17 mi away).
  • 🔄 Backwards, 48040 becomes 04084 — and that is a real ZIP code: Standish, ME, 601 miles away.
  • 👥 12 other ZIP codes are made of exactly the same digits (04048, 04084, 04408, 08404, 40048, 40840, …). The farthest-flung twin is 84004 in Alpine, UT, 1,510 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther east than 65%.
  • 🎯860 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48040 and you would come out at 42.91°S, 97.52°E — 1,255 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
  • 📏 At 6.9 square miles of land, 48040 is bigger than 22% of ZIP codes — room for about 5.2 Central Parks.
🌙 The sky over 48040 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population9,925This ZIP9,925
Households4,322This ZIP4,322
Housing units4,528This ZIP4,528
Median age45.4This ZIP45.4Michigan40.2US 38.9
Median household income$66,901This ZIP$66,901Michigan$72,875US $80,734
Median home value$208,600This ZIP$208,600Michigan$231,600US $332,700
Median gross rent$974This ZIP$974Michigan$1,129US $1,413
Bachelor's degree or higher24.6%This ZIP24.6%
Mean commute24.6 minThis ZIP24.6 min
Population density1,435.9 / sq miThis ZIP1,435.9 / sq mi

Business and tax activity

Business establishments233This ZIP233
Employees5,354This ZIP5,354
Annual payroll$297,729,000This ZIP$297,729,000
Tax returns filed5,250This ZIP5,250
Total adjusted gross income$340,933,000This ZIP$340,933,000

Land area

Land area6.91 sq miThis ZIP6.91 sq mi
Water area0.99 sq miThis ZIP0.99 sq mi

Other place names in 48040

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

ZIP codes near 48040

ZIPCityDistance
48074 Smiths Creek, MI 4.9 mi
48079 Saint Clair, MI 4.9 mi
48061 Port Huron, MI 5.0 mi
48060 Port Huron, MI 5.2 mi
48054 East China, MI 10.0 mi
48049 North Street, MI 10.1 mi
48063 Columbus, MI 10.8 mi
48027 Goodells, MI 11.1 mi
48004 Anchorville, MI 11.1 mi
48059 Fort Gratiot, MI 12.3 mi

Find every ZIP code within 10 miles of 48040 →

Questions about this ZIP code

Where is ZIP code 48040?

48040 is in Marysville, Michigan, in St. Clair County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.9103, -82.4806.

What county is 48040 in?

48040 lies in St. Clair County.

What area code is 48040?

Marysville uses area code 810, from NANPA's telephone records.

What time zone is 48040 in?

48040 uses America/Detroit.

How many people live in 48040?

About 9,925 people live in ZIP code 48040, in 4,322 households, at 1,435.9 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 48040?

$66,901 a year, against $72,875 across Michigan.

What ZIP codes are near 48040?

The closest are 48074 (4.9 mi), 48079 (4.9 mi), 48061 (5 mi), 48060 (5.2 mi) and 48054 (10 mi).

Is 48040 a PO Box ZIP code?

48040 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48040 ZIP Code — Marysville, Michigan (St. Clair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48040

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