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Where 48889 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.
- 🔢 Type 48889 into a pocket calculator and turn it upside down: GBBBh — not quite a word, sorry.
- ➕ 48889 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 37, a total 89 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011111011111001 - 🏠 Its numerical neighbours: 48888 (Stanton, MI, 15 mi away) and 48890 (Sunfield, MI, 37 mi away).
- 🔄 Backwards, 48889 becomes 98884, which is not a ZIP code at all.
- 👥 1 other ZIP code is made of exactly the same digits (98848). The farthest-flung twin is 98848 in Quincy, WA, 1,711 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther east than 57%.
- 🎯750 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 48889 and you would come out at 43.29°S, 95.19°E — 1,256 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
- 📏 At 31.0 square miles of land, 48889 is bigger than 46% of ZIP codes — room for about 24 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,528This ZIP1,528 |
|---|---|
| Households | 612This ZIP612 |
| Housing units | 644This ZIP644 |
| Median age | 47.7This ZIP47.7Michigan40.2US 38.9 |
| Median household income | $60,200This ZIP$60,200Michigan$72,875US $80,734 |
| Median home value | $157,900This ZIP$157,900Michigan$231,600US $332,700 |
| Median gross rent | $1,115This ZIP$1,115Michigan$1,129US $1,413 |
| Bachelor's degree or higher | 11.4%This ZIP11.4% |
| Mean commute | 23.4 minThis ZIP23.4 min |
| Population density | 49.3 / sq miThis ZIP49.3 / sq mi |
Business and tax activity
| Business establishments | 15This ZIP15 |
|---|---|
| Employees | 65This ZIP65 |
| Annual payroll | $3,488,000This ZIP$3,488,000 |
| Tax returns filed | 620This ZIP620 |
| Total adjusted gross income | $31,875,000This ZIP$31,875,000 |
Land area
| Land area | 31.02 sq miThis ZIP31.02 sq mi |
|---|---|
| Water area | 0.29 sq miThis ZIP0.29 sq mi |
Counties 48889 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Gratiot County | 98.5% |
| Montcalm County | 1.5% |
ZIP codes near 48889
| ZIP | City | Distance |
|---|---|---|
48818 | Crystal, MI | 4.7 mi |
48830 | Elm Hall, MI | 5.6 mi |
48856 | Middleton, MI | 7.1 mi |
48811 | Carson City, MI | 7.4 mi |
48877 | Riverdale, MI | 8.4 mi |
48832 | Elwell, MI | 8.9 mi |
48801 | Alma, MI | 9.2 mi |
48891 | Vestaburg, MI | 9.3 mi |
48871 | Perrinton, MI | 11.1 mi |
48847 | Ithaca, MI | 11.7 mi |
Find every ZIP code within 10 miles of 48889 →
Questions about this ZIP code
Where is ZIP code 48889?
48889 is in Sumner, Michigan, in Gratiot County, part of the Alma, MI micropolitan area. Its published point location is 43.2851, -84.8069.
What county is 48889 in?
48889 spans 2 counties: Gratiot County and Montcalm County. Most of it falls in Gratiot County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 48889?
Sumner uses area code 989, from NANPA's telephone records.
What time zone is 48889 in?
48889 uses America/Detroit.
How many people live in 48889?
About 1,528 people live in ZIP code 48889, in 612 households, at 49.3 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 48889?
$60,200 a year, against $72,875 across Michigan.
What ZIP codes are near 48889?
The closest are 48818 (4.7 mi), 48830 (5.6 mi), 48856 (7.1 mi), 48811 (7.4 mi) and 48877 (8.4 mi).
Is 48889 a PO Box ZIP code?
48889 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “48889 ZIP Code — Sumner, Michigan (Gratiot County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48889
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/48889.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.