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/48320

48320

ZIP 48320 is Keego Harbor, Michigan, in Oakland County; area codes 248 and 947; Eastern time.

Type
Standard
Time zone
America/Detroit
County
Oakland
Population
4,277
Coordinates
42.6119, -83.3381
☼ Live from 48320 — Keego Harbor, MI

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 48320 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 48320
  • 🔢 Type 48320 into a pocket calculator and turn it upside down: OZEBh — not quite a word, sorry.
  • ➕ As a number, 48,320 = 2 × 2 × 2 × 2 × 2 × 2 × 5 × 151. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110011000000
  • 🏠 Its numerical neighbours: 48318 (Utica, MI, 16 mi away) and 48321 (Auburn Hills, MI, 4 mi away).
  • 🔄 Backwards, 48320 becomes 02384, which is not a ZIP code at all.
  • 👥 62 other ZIP codes are made of exactly the same digits (02348, 03284, 03824, 03842, 04238, 08234, …). The farthest-flung twin is 83204 in Pocatello, ID, 1,474 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther east than 62%.
  • 🎯814 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48320 and you would come out at 42.61°S, 96.66°E — 1,282 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 03m.
  • 📏 At 1.1 square miles of land, 48320 is bigger than 8% of ZIP codes — about 530 football fields.
🌙 The sky over 48320 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,277This ZIP4,277
Households2,161This ZIP2,161
Housing units2,342This ZIP2,342
Median age43.2This ZIP43.2Michigan40.2US 38.9
Median household income$78,150This ZIP$78,150Michigan$72,875US $80,734
Median home value$345,900This ZIP$345,900Michigan$231,600US $332,700
Median gross rent$1,214This ZIP$1,214Michigan$1,129US $1,413
Bachelor's degree or higher47.1%This ZIP47.1%
Mean commute26.2 minThis ZIP26.2 min
Population density3,905.9 / sq miThis ZIP3,905.9 / sq mi

Business and tax activity

Business establishments217This ZIP217
Employees2,007This ZIP2,007
Annual payroll$100,253,000This ZIP$100,253,000
Tax returns filed2,350This ZIP2,350
Total adjusted gross income$239,335,000This ZIP$239,335,000

Land area

Land area1.10 sq miThis ZIP1.10 sq mi
Water area0.40 sq miThis ZIP0.40 sq mi

Other place names in 48320

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

ZIP codes near 48320

ZIPCityDistance
48007 Troy, MI 2.1 mi
48341 Pontiac, MI 2.6 mi
48302 Bloomfield Hills, MI 2.7 mi
48328 Waterford, MI 2.9 mi
48343 Pontiac, MI 3.0 mi
48324 West Bloomfield, MI 3.1 mi
48323 West Bloomfield, MI 3.5 mi
48342 Pontiac, MI 3.9 mi
48327 Waterford, MI 4.1 mi
48321 Auburn Hills, MI 4.1 mi

Find every ZIP code within 10 miles of 48320 →

Questions about this ZIP code

Where is ZIP code 48320?

48320 is in Keego Harbor, Michigan, in Oakland County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.6119, -83.3381.

What county is 48320 in?

48320 lies in Oakland County.

What area code is 48320?

Keego Harbor uses area codes 248 and 947, from NANPA's telephone records.

What time zone is 48320 in?

48320 uses America/Detroit.

How many people live in 48320?

About 4,277 people live in ZIP code 48320, in 2,161 households, at 3,905.9 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 48320?

$78,150 a year, against $72,875 across Michigan.

What ZIP codes are near 48320?

The closest are 48007 (2.1 mi), 48341 (2.6 mi), 48302 (2.7 mi), 48328 (2.9 mi) and 48343 (3 mi).

Is 48320 a PO Box ZIP code?

48320 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “48320 ZIP Code — Keego Harbor, Michigan (Oakland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48320

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/48320.json

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