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Where 49891 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 49891 into a pocket calculator and turn it upside down: IGBGh — not quite a word, sorry.
- ➕ 49891 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100001011100011 - 🏠 Its numerical neighbours: 49887 (Stephenson, MI, 67 mi away) and 49892 (Vulcan, MI, 48 mi away).
- 🔄 Backwards, 49891 becomes 19894 — and that is a real ZIP code: Wilmington, DE, 731 miles away.
- 👥 14 other ZIP codes are made of exactly the same digits (18949, 19894, 48919, 49819, 49918, 84199, …). The farthest-flung twin is 99841 in Tenakee Springs, AK, 2,157 miles away.
- 🧭 Farther north than 94% of all ZIP codes, and farther east than 51%.
- 🎯731 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 49891 and you would come out at 46.22°S, 92.98°E — 1,075 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 47m of daylight. Shortest: 8h 37m.
- 📏 At 72.8 square miles of land, 49891 is bigger than 70% of ZIP codes — room for about 55 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 548This ZIP548 |
|---|---|
| Households | 225This ZIP225 |
| Housing units | 384This ZIP384 |
| Median age | 47.7This ZIP47.7Michigan40.2US 38.9 |
| Median household income | $46,063This ZIP$46,063Michigan$72,875US $80,734 |
| Median home value | $126,300This ZIP$126,300Michigan$231,600US $332,700 |
| Bachelor's degree or higher | 15.6%This ZIP15.6% |
| Mean commute | 37.5 minThis ZIP37.5 min |
| Population density | 7.5 / sq miThis ZIP7.5 / sq mi |
Business and tax activity
| Business establishments | 11This ZIP11 |
|---|---|
| Employees | 63This ZIP63 |
| Annual payroll | $1,542,000This ZIP$1,542,000 |
| Tax returns filed | 330This ZIP330 |
| Total adjusted gross income | $18,211,000This ZIP$18,211,000 |
Land area
| Land area | 72.80 sq miThis ZIP72.80 sq mi |
|---|---|
| Water area | 0.31 sq miThis ZIP0.31 sq mi |
ZIP codes near 49891
| ZIP | City | Distance |
|---|---|---|
49816 | Chatham, MI | 6.6 mi |
49826 | Rumely, MI | 7.5 mi |
49825 | Eben Junction, MI | 9.9 mi |
49885 | Skandia, MI | 12.1 mi |
49880 | Rock, MI | 12.3 mi |
49833 | Little Lake, MI | 13.8 mi |
49872 | Perkins, MI | 14.1 mi |
49822 | Deerton, MI | 14.9 mi |
49806 | Au Train, MI | 17.1 mi |
49895 | Wetmore, MI | 17.2 mi |
Find every ZIP code within 10 miles of 49891 →
Questions about this ZIP code
Where is ZIP code 49891?
49891 is in Trenary, Michigan, in Alger County. Its published point location is 46.2173, -87.0150.
What county is 49891 in?
49891 lies in Alger County.
What area code is 49891?
Trenary uses area code 906, from NANPA's telephone records.
What time zone is 49891 in?
49891 uses America/Detroit.
How many people live in 49891?
About 548 people live in ZIP code 49891, in 225 households, at 7.5 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 49891?
$46,063 a year, against $72,875 across Michigan.
What ZIP codes are near 49891?
The closest are 49816 (6.6 mi), 49826 (7.5 mi), 49825 (9.9 mi), 49885 (12.1 mi) and 49880 (12.3 mi).
Is 49891 a PO Box ZIP code?
49891 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “49891 ZIP Code — Trenary, Michigan (Alger County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49891
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/49891.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.