Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/48105

48105

ZIP 48105 is in Ann Arbor, Michigan, in Washtenaw County; area code 734; Eastern time. Ann Arbor has 8 ZIP codes in all.

Type
Standard
Time zone
America/Detroit
County
Washtenaw
Metro area
Ann Arbor, MI
Population
37,048
Coordinates
42.3276, -83.6964
☼ Live from 48105 — Ann Arbor, MI

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 48105 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 48105
  • 🔢 Type 48105 into a pocket calculator and turn it upside down: SOIBh — not quite a word, sorry.
  • ➕ As a number, 48,105 = 3 × 3 × 5 × 1069. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011101111101001
  • 🏠 Its numerical neighbours: 48104 (Ann Arbor, MI, 5 mi away) and 48106 (Ann Arbor, MI, 9 mi away).
  • 🔄 Backwards, 48105 becomes 50184, which is not a ZIP code at all.
  • 👥 59 other ZIP codes are made of exactly the same digits (01845, 01854, 04851, 05148, 05481, 05841, …). The farthest-flung twin is 85041 in Phoenix, AZ, 1,659 miles away.
  • 🧭 Farther north than 78% of all ZIP codes, and farther east than 61%.
  • 🎯793 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48105 and you would come out at 42.33°S, 96.30°E — 1,289 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 05m.
  • 📏 At 49.5 square miles of land, 48105 is bigger than 59% of ZIP codes — room for about 38 Central Parks.
🌙 The sky over 48105 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population37,048This ZIP37,048
Households15,689This ZIP15,689
Housing units16,992This ZIP16,992
Median age31.6This ZIP31.6Michigan40.2US 38.9
Median household income$94,774This ZIP$94,774Michigan$72,875US $80,734
Median home value$503,100This ZIP$503,100Michigan$231,600US $332,700
Median gross rent$1,713This ZIP$1,713Michigan$1,129US $1,413
Bachelor's degree or higher82.7%This ZIP82.7%
Mean commute21.9 minThis ZIP21.9 min
Population density748.4 / sq miThis ZIP748.4 / sq mi

Business and tax activity

Business establishments635This ZIP635
Employees14,539This ZIP14,539
Annual payroll$1,561,453,000This ZIP$1,561,453,000
Tax returns filed15,600This ZIP15,600
Total adjusted gross income$2,452,127,000This ZIP$2,452,127,000

Land area

Land area49.51 sq miThis ZIP49.51 sq mi
Water area0.80 sq miThis ZIP0.80 sq mi

Other place names in 48105

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

ZIP codes near 48105

ZIPCityDistance
48109 Ann Arbor, MI 2.6 mi
48104 Ann Arbor, MI 4.6 mi
48198 Ypsilanti, MI 6.7 mi
48189 Whitmore Lake, MI 7.2 mi
48108 Ann Arbor, MI 7.5 mi
48175 Salem, MI 8.1 mi
48178 South Lyon, MI 8.3 mi
48170 Plymouth, MI 8.7 mi
48106 Ann Arbor, MI 8.8 mi
48107 Ann Arbor, MI 8.8 mi

Find every ZIP code within 10 miles of 48105 →

Questions about this ZIP code

Where is ZIP code 48105?

48105 is in Ann Arbor, Michigan, in Washtenaw County, part of the Ann Arbor, MI metropolitan area. Its published point location is 42.3276, -83.6964.

What county is 48105 in?

48105 lies in Washtenaw County.

What area code is 48105?

Ann Arbor uses area code 734, from NANPA's telephone records.

What time zone is 48105 in?

48105 uses America/Detroit.

How many people live in 48105?

About 37,048 people live in ZIP code 48105, in 15,689 households, at 748.4 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 48105?

$94,774 a year, against $72,875 across Michigan.

What ZIP codes are near 48105?

The closest are 48109 (2.6 mi), 48104 (4.6 mi), 48198 (6.7 mi), 48189 (7.2 mi) and 48108 (7.5 mi).

Is 48105 a PO Box ZIP code?

48105 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “48105 ZIP Code — Ann Arbor, Michigan (Washtenaw County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48105

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/48105.json

Underlying data is public domain or openly licensed — sources, vintages and licences.