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zipcodes.pro — ZIP/55811

55811

ZIP 55811 is in Duluth, Minnesota, in St. Louis County; area code 218; Central time. Duluth has 14 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
St. Louis
Metro area
Duluth, MN-WI
Population
28,118
Coordinates
46.8385, -92.2222
☼ Live from 55811 — Duluth, MN

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Where 55811 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 55811
  • 🔢 Type 55811 into a pocket calculator and turn it upside down: IIBSS — not quite a word, sorry.
  • ➕ As a number, 55,811 = 7 × 7 × 17 × 67. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101101000000011
  • 🏠 Its numerical neighbours: 55810 (Duluth, MN, 6 mi away) and 55812 (Duluth, MN, 7 mi away).
  • 🔄 Backwards, 55811 becomes 11855, which is not a ZIP code at all.
  • 👥 5 other ZIP codes are made of exactly the same digits (11558, 15851, 18515, 55118, 81155). The farthest-flung twin is 11558 in Island Park, NY, 1,019 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 61%.
  • 🎯580 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 55811 and you would come out at 46.84°S, 87.78°E — 827 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 52m of daylight. Shortest: 8h 32m.
  • 📏 At 64.5 square miles of land, 55811 is bigger than 66% of ZIP codes — room for about 49 Central Parks.
🌙 The sky over 55811 today
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🌋 Shake report
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Source: USGS.

People and housing

Population28,118This ZIP28,118
Households11,247This ZIP11,247
Housing units11,701This ZIP11,701
Median age38.0This ZIP38.0Minnesota38.8US 38.9
Median household income$79,804This ZIP$79,804Minnesota$89,062US $80,734
Median home value$321,000This ZIP$321,000Minnesota$329,300US $332,700
Median gross rent$1,392This ZIP$1,392Minnesota$1,280US $1,413
Bachelor's degree or higher42.7%This ZIP42.7%
Mean commute16.1 minThis ZIP16.1 min
Population density435.9 / sq miThis ZIP435.9 / sq mi

Business and tax activity

Business establishments953This ZIP953
Employees18,759This ZIP18,759
Annual payroll$855,754,000This ZIP$855,754,000
Tax returns filed12,850This ZIP12,850
Total adjusted gross income$1,128,167,000This ZIP$1,128,167,000

Land area

Land area64.51 sq miThis ZIP64.51 sq mi
Water area0.84 sq miThis ZIP0.84 sq mi

Other place names in 55811

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

ZIP codes near 55811

ZIPCityDistance
55814 Duluth, MN 1.2 mi
55810 Duluth, MN 6.1 mi
55806 Duluth, MN 6.6 mi
55801 Duluth, MN 6.7 mi
55815 Duluth, MN 6.7 mi
55816 Duluth, MN 6.7 mi
55805 Duluth, MN 6.7 mi
55812 Duluth, MN 7.4 mi
55807 Duluth, MN 7.6 mi
55791 Twig, MN 7.8 mi

Find every ZIP code within 10 miles of 55811 →

Questions about this ZIP code

Where is ZIP code 55811?

55811 is in Duluth, Minnesota, in St. Louis County, part of the Duluth, MN-WI metropolitan area. Its published point location is 46.8385, -92.2222.

What county is 55811 in?

55811 lies in St. Louis County.

What area code is 55811?

Duluth uses area code 218, from NANPA's telephone records.

What time zone is 55811 in?

55811 uses America/Chicago.

How many people live in 55811?

About 28,118 people live in ZIP code 55811, in 11,247 households, at 435.9 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 55811?

$79,804 a year, against $89,062 across Minnesota.

What ZIP codes are near 55811?

The closest are 55814 (1.2 mi), 55810 (6.1 mi), 55806 (6.6 mi), 55801 (6.7 mi) and 55815 (6.7 mi).

Is 55811 a PO Box ZIP code?

55811 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “55811 ZIP Code — Duluth, Minnesota (St. Louis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55811

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