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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/48079

48079

ZIP 48079 is Saint Clair, Michigan, in St. Clair County; area code 810; Eastern time.

Type
Standard
Time zone
America/Detroit
County
St. Clair
Population
12,711
Coordinates
42.8588, -82.5484
☼ Live from 48079 — Saint Clair, MI

Weather right now

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NEXRAD radar
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Local time: —

Where 48079 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 48079
  • 🔢 Type 48079 into a pocket calculator and turn it upside down: GLOBh — not quite a word, sorry.
  • ➕ 48079 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011101111001111
  • 🏠 Its numerical neighbours: 48076 (Southfield, MI, 43 mi away) and 48080 (Saint Clair Shores, MI, 32 mi away).
  • 🔄 Backwards, 48079 becomes 97084, which is not a ZIP code at all.
  • 👥 43 other ZIP codes are made of exactly the same digits (04978, 04987, 07849, 09847, 09874, 47809, …). The farthest-flung twin is 09874 in APO AA, a military post office, 6,764 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther east than 64%.
  • 🎯856 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48079 and you would come out at 42.86°S, 97.45°E — 1,256 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
  • 📏 At 41.9 square miles of land, 48079 is bigger than 55% of ZIP codes — room for about 32 Central Parks.
🌙 The sky over 48079 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,711This ZIP12,711
Households5,348This ZIP5,348
Housing units5,415This ZIP5,415
Median age45.3This ZIP45.3Michigan40.2US 38.9
Median household income$79,891This ZIP$79,891Michigan$72,875US $80,734
Median home value$293,000This ZIP$293,000Michigan$231,600US $332,700
Median gross rent$1,139This ZIP$1,139Michigan$1,129US $1,413
Bachelor's degree or higher26.5%This ZIP26.5%
Mean commute25.0 minThis ZIP25.0 min
Population density303.7 / sq miThis ZIP303.7 / sq mi

Business and tax activity

Business establishments288This ZIP288
Employees4,103This ZIP4,103
Annual payroll$244,627,000This ZIP$244,627,000
Tax returns filed6,660This ZIP6,660
Total adjusted gross income$566,839,000This ZIP$566,839,000

Land area

Land area41.85 sq miThis ZIP41.85 sq mi
Water area1.44 sq miThis ZIP1.44 sq mi

Other place names in 48079

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

ZIP codes near 48079

ZIPCityDistance
48040 Marysville, MI 4.9 mi
48054 East China, MI 6.2 mi
48074 Smiths Creek, MI 6.3 mi
48004 Anchorville, MI 6.4 mi
48063 Columbus, MI 6.8 mi
48064 Casco, MI 8.9 mi
48027 Goodells, MI 9.4 mi
48060 Port Huron, MI 9.8 mi
48061 Port Huron, MI 9.9 mi
48039 Marine City, MI 11.5 mi

Find every ZIP code within 10 miles of 48079 →

Questions about this ZIP code

Where is ZIP code 48079?

48079 is in Saint Clair, Michigan, in St. Clair County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.8588, -82.5484.

What county is 48079 in?

48079 lies in St. Clair County.

What area code is 48079?

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

What time zone is 48079 in?

48079 uses America/Detroit.

How many people live in 48079?

About 12,711 people live in ZIP code 48079, in 5,348 households, at 303.7 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 48079?

$79,891 a year, against $72,875 across Michigan.

What ZIP codes are near 48079?

The closest are 48040 (4.9 mi), 48054 (6.2 mi), 48074 (6.3 mi), 48004 (6.4 mi) and 48063 (6.8 mi).

Is 48079 a PO Box ZIP code?

48079 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48079 ZIP Code — Saint Clair, Michigan (St. Clair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48079

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