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Where 55731 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 55731 into a pocket calculator and turn it upside down: IELSS — not quite a word, sorry.
- ➕ As a number, 55,731 = 3 × 13 × 1429. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101100110110011 - 🏠 Its numerical neighbours: 55730 (Grand Rapids, MN, 98 mi away) and 55732 (Embarrass, MN, 31 mi away).
- 🔄 Backwards, 55731 becomes 13755 — and that is a real ZIP code: Downsville, NY, 911 miles away.
- 👥 28 other ZIP codes are made of exactly the same digits (13755, 15357, 15537, 15753, 17355, 17535, …). The farthest-flung twin is 31557 in Patterson, GA, 1,256 miles away.
- 🧭 Farther north than 97% of all ZIP codes, and farther west than 60%.
- 🎯658 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 55731 and you would come out at 48.00°S, 88.25°E — 826 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 16h 03m of daylight. Shortest: 8h 22m.
- 📏 At 1,606.7 square miles of land, 55731 is bigger than 99% of ZIP codes — room for about 1,220 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,361This ZIP5,361 |
|---|---|
| Households | 2,881This ZIP2,881 |
| Housing units | 4,915This ZIP4,915 |
| Median age | 60.3This ZIP60.3Minnesota38.8US 38.9 |
| Median household income | $62,008This ZIP$62,008Minnesota$89,062US $80,734 |
| Median home value | $206,000This ZIP$206,000Minnesota$329,300US $332,700 |
| Median gross rent | $644This ZIP$644Minnesota$1,280US $1,413 |
| Bachelor's degree or higher | 40.5%This ZIP40.5% |
| Mean commute | 15.3 minThis ZIP15.3 min |
| Population density | 3.3 / sq miThis ZIP3.3 / sq mi |
Business and tax activity
| Business establishments | 252This ZIP252 |
|---|---|
| Employees | 1,449This ZIP1,449 |
| Annual payroll | $64,158,000This ZIP$64,158,000 |
| Tax returns filed | 2,910This ZIP2,910 |
| Total adjusted gross income | $200,416,000This ZIP$200,416,000 |
Land area
| Land area | 1,606.73 sq miThis ZIP1,606.73 sq mi |
|---|---|
| Water area | 272.38 sq miThis ZIP272.38 sq mi |
Counties 55731 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Lake County | 50.2% |
| St. Louis County | 49.8% |
Other place names in 55731
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 55731
| ZIP | City | Distance |
|---|---|---|
55796 | Winton, MN | 5.0 mi |
55782 | Soudan, MN | 23.8 mi |
55706 | Babbitt, MN | 25.2 mi |
55607 | Isabella, MN | 28.4 mi |
55790 | Tower, MN | 31.2 mi |
55732 | Embarrass, MN | 31.4 mi |
55750 | Hoyt Lakes, MN | 33.6 mi |
55603 | Finland, MN | 40.0 mi |
55708 | Biwabik, MN | 41.7 mi |
55725 | Crane Lake, MN | 43.3 mi |
Find every ZIP code within 10 miles of 55731 →
Questions about this ZIP code
Where is ZIP code 55731?
55731 is in Ely, Minnesota, in Lake County. Its published point location is 47.9969, -91.7540.
What county is 55731 in?
55731 spans 2 counties: Lake County and St. Louis County. Most of it falls in Lake 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 55731?
Ely uses area code 218, from NANPA's telephone records.
What time zone is 55731 in?
55731 uses America/Chicago.
How many people live in 55731?
About 5,361 people live in ZIP code 55731, in 2,881 households, at 3.3 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 55731?
$62,008 a year, against $89,062 across Minnesota.
What ZIP codes are near 55731?
The closest are 55796 (5 mi), 55782 (23.8 mi), 55706 (25.2 mi), 55607 (28.4 mi) and 55790 (31.2 mi).
Is 55731 a PO Box ZIP code?
55731 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “55731 ZIP Code — Ely, Minnesota (Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55731
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/55731.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.