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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/48091

48091

ZIP 48091 is in Warren, Michigan, in Macomb County; area code 586; Eastern time. Warren has 7 ZIP codes in all.

Type
Standard
Time zone
America/Detroit
County
Macomb
Population
30,696
Coordinates
42.4681, -83.0582
☼ Live from 48091 — Warren, MI

Weather right now

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NEXRAD radar
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Local time: —

Where 48091 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 48091
  • 🔢 Type 48091 into a pocket calculator and turn it upside down: IGOBh — not quite a word, sorry.
  • ➕ 48091 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011101111011011
  • 🏠 Its numerical neighbours: 48090 (Warren, MI, 2 mi away) and 48092 (Warren, MI, 3 mi away).
  • 🔄 Backwards, 48091 becomes 19084, which is not a ZIP code at all.
  • 👥 48 other ZIP codes are made of exactly the same digits (01984, 04918, 04981, 09184, 09418, 09814, …). The farthest-flung twin is 09814 in APO AE, a military post office, 7,409 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 63%.
  • 🎯827 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48091 and you would come out at 42.47°S, 96.94°E — 1,265 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
  • 📏 At 7.9 square miles of land, 48091 is bigger than 24% of ZIP codes — room for about 6.0 Central Parks.
🌙 The sky over 48091 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population30,696This ZIP30,696
Households11,608This ZIP11,608
Housing units12,903This ZIP12,903
Median age36.6This ZIP36.6Michigan40.2US 38.9
Median household income$54,230This ZIP$54,230Michigan$72,875US $80,734
Median home value$149,800This ZIP$149,800Michigan$231,600US $332,700
Median gross rent$1,290This ZIP$1,290Michigan$1,129US $1,413
Bachelor's degree or higher16.7%This ZIP16.7%
Mean commute26.6 minThis ZIP26.6 min
Population density3,880.7 / sq miThis ZIP3,880.7 / sq mi

Business and tax activity

Business establishments605This ZIP605
Employees14,540This ZIP14,540
Annual payroll$946,834,000This ZIP$946,834,000
Tax returns filed14,650This ZIP14,650
Total adjusted gross income$602,237,000This ZIP$602,237,000

Land area

Land area7.91 sq miThis ZIP7.91 sq mi
Water area0.00 sq mi

Other place names in 48091

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

ZIP codes near 48091

ZIPCityDistance
48090 Warren, MI 1.7 mi
48015 Center Line, MI 1.8 mi
48397 Warren, MI 1.9 mi
48030 Hazel Park, MI 2.1 mi
48234 Detroit, MI 2.7 mi
48092 Warren, MI 3.1 mi
48089 Warren, MI 3.3 mi
48071 Madison Heights, MI 3.5 mi
48093 Warren, MI 3.9 mi
48220 Ferndale, MI 4.0 mi

Find every ZIP code within 10 miles of 48091 →

Questions about this ZIP code

Where is ZIP code 48091?

48091 is in Warren, Michigan, in Macomb County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.4681, -83.0582.

What county is 48091 in?

48091 lies in Macomb County.

What area code is 48091?

Warren uses area code 586, from NANPA's telephone records.

What time zone is 48091 in?

48091 uses America/Detroit.

How many people live in 48091?

About 30,696 people live in ZIP code 48091, in 11,608 households, at 3,880.7 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 48091?

$54,230 a year, against $72,875 across Michigan.

What ZIP codes are near 48091?

The closest are 48090 (1.7 mi), 48015 (1.8 mi), 48397 (1.9 mi), 48030 (2.1 mi) and 48234 (2.7 mi).

Is 48091 a PO Box ZIP code?

48091 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48091 ZIP Code — Warren, Michigan (Macomb County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48091

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