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zipcodes.pro — ZIP/56721

56721

ZIP 56721 is East Grand Forks, Minnesota, in Polk County; area code 218; Central time.

Type
Standard
Time zone
America/Chicago
County
Polk
Metro area
Grand Forks, ND-MN
Population
10,679
Coordinates
47.9706, -96.9498
☼ Live from 56721 — East Grand Forks, MN

Weather right now

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Local time: —

Where 56721 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 56721
  • 🔢 Type 56721 into a pocket calculator and turn it upside down: IZLgS — not quite a word, sorry.
  • ➕ As a number, 56,721 = 3 × 7 × 37 × 73. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101110110010001
  • 🏠 Its numerical neighbours: 56720 (Donaldson, MN, 41 mi away) and 56722 (Euclid, MN, 14 mi away).
  • 🔄 Backwards, 56721 becomes 12765 — and that is a real ZIP code: Neversink, NY, 1,166 miles away.
  • 👥 56 other ZIP codes are made of exactly the same digits (12567, 12765, 15267, 15276, 15627, 15672, …). The farthest-flung twin is 27615 in Raleigh, NC, 1,252 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 74%.
  • 🎯568 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 56721 and you would come out at 47.97°S, 83.05°E — 593 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 02m of daylight. Shortest: 8h 22m.
  • 📏 At 192.4 square miles of land, 56721 is bigger than 90% of ZIP codes — room for about 146 Central Parks.
🌙 The sky over 56721 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population10,679This ZIP10,679
Households4,067This ZIP4,067
Housing units4,324This ZIP4,324
Median age36.5This ZIP36.5Minnesota38.8US 38.9
Median household income$82,525This ZIP$82,525Minnesota$89,062US $80,734
Median home value$259,300This ZIP$259,300Minnesota$329,300US $332,700
Median gross rent$890This ZIP$890Minnesota$1,280US $1,413
Bachelor's degree or higher26.3%This ZIP26.3%
Mean commute17.4 minThis ZIP17.4 min
Population density55.5 / sq miThis ZIP55.5 / sq mi

Business and tax activity

Business establishments211This ZIP211
Employees3,145This ZIP3,145
Annual payroll$156,127,000This ZIP$156,127,000
Tax returns filed4,730This ZIP4,730
Total adjusted gross income$360,148,000This ZIP$360,148,000

Land area

Land area192.43 sq miThis ZIP192.43 sq mi
Water area0.54 sq miThis ZIP0.54 sq mi

Other place names in 56721

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

ZIP codes near 56721

ZIPCityDistance
58206 Grand Forks, ND 5.0 mi
58207 Grand Forks, ND 5.0 mi
58208 Grand Forks, ND 5.0 mi
58202 Grand Forks, ND 6.7 mi
58203 Grand Forks, ND 10.0 mi
58201 Grand Forks, ND 11.4 mi
56723 Fisher, MN 13.2 mi
56722 Euclid, MN 13.9 mi
58256 Manvel, ND 14.0 mi
58278 Thompson, ND 15.3 mi

Find every ZIP code within 10 miles of 56721 →

Questions about this ZIP code

Where is ZIP code 56721?

56721 is in East Grand Forks, Minnesota, in Polk County, part of the Grand Forks, ND-MN metropolitan area. Its published point location is 47.9706, -96.9498.

What county is 56721 in?

56721 lies in Polk County.

What area code is 56721?

East Grand Forks uses area code 218, from NANPA's telephone records.

What time zone is 56721 in?

56721 uses America/Chicago.

How many people live in 56721?

About 10,679 people live in ZIP code 56721, in 4,067 households, at 55.5 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 56721?

$82,525 a year, against $89,062 across Minnesota.

What ZIP codes are near 56721?

The closest are 58206 (5 mi), 58207 (5 mi), 58208 (5 mi), 58202 (6.7 mi) and 58203 (10 mi).

Is 56721 a PO Box ZIP code?

56721 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “56721 ZIP Code — East Grand Forks, Minnesota (Polk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/56721

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