55804
ZIP 55804 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
- 15,922
- Coordinates
- 46.9314, -91.9363
Weather right now
Asking the National Weather Service…
Where 55804 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 55804 into a pocket calculator and turn it upside down: hOBSS — not quite a word, sorry.
- ➕ As a number, 55,804 = 2 × 2 × 7 × 1993. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101100111111100 - 🏠 Its numerical neighbours: 55803 (Duluth, MN, 10 mi away) and 55805 (Duluth, MN, 12 mi away).
- 🔄 Backwards, 55804 becomes 40855 — and that is a real ZIP code: Lynch, KY, 832 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (04558, 04855, 05458, 05485, 05845, 08554, …). The farthest-flung twin is 85045 in Phoenix, AZ, 1,415 miles away.
- 🧭 Farther north than 95% of all ZIP codes, and farther west than 61%.
- 🎯593 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 55804 and you would come out at 46.93°S, 88.06°E — 837 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 53m of daylight. Shortest: 8h 31m.
- 📏 At 94.1 square miles of land, 55804 is bigger than 76% of ZIP codes — room for about 71 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 15,922This ZIP15,922 |
|---|---|
| Households | 6,303This ZIP6,303 |
| Housing units | 6,838This ZIP6,838 |
| Median age | 40.9This ZIP40.9Minnesota38.8US 38.9 |
| Median household income | $111,228This ZIP$111,228Minnesota$89,062US $80,734 |
| Median home value | $315,300This ZIP$315,300Minnesota$329,300US $332,700 |
| Median gross rent | $1,435This ZIP$1,435Minnesota$1,280US $1,413 |
| Bachelor's degree or higher | 52.6%This ZIP52.6% |
| Mean commute | 22.1 minThis ZIP22.1 min |
| Population density | 169.3 / sq miThis ZIP169.3 / sq mi |
Business and tax activity
| Business establishments | 225This ZIP225 |
|---|---|
| Employees | 1,760This ZIP1,760 |
| Annual payroll | $73,484,000This ZIP$73,484,000 |
| Tax returns filed | 7,680This ZIP7,680 |
| Total adjusted gross income | $804,177,000This ZIP$804,177,000 |
Land area
| Land area | 94.05 sq miThis ZIP94.05 sq mi |
|---|---|
| Water area | 10.75 sq miThis ZIP10.75 sq mi |
Other place names in 55804
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 55804
| ZIP | City | Distance |
|---|---|---|
55609 | Knife River, MN | 7.4 mi |
55803 | Duluth, MN | 9.6 mi |
55812 | Duluth, MN | 10.6 mi |
55805 | Duluth, MN | 11.7 mi |
55801 | Duluth, MN | 13.0 mi |
55815 | Duluth, MN | 13.0 mi |
55816 | Duluth, MN | 13.0 mi |
55802 | Duluth, MN | 13.5 mi |
55814 | Duluth, MN | 14.0 mi |
55806 | Duluth, MN | 14.5 mi |
Find every ZIP code within 10 miles of 55804 →
Questions about this ZIP code
Where is ZIP code 55804?
55804 is in Duluth, Minnesota, in St. Louis County, part of the Duluth, MN-WI metropolitan area. Its published point location is 46.9314, -91.9363.
What county is 55804 in?
55804 lies in St. Louis County.
What area code is 55804?
Duluth uses area code 218, from NANPA's telephone records.
What time zone is 55804 in?
55804 uses America/Chicago.
How many people live in 55804?
About 15,922 people live in ZIP code 55804, in 6,303 households, at 169.3 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 55804?
$111,228 a year, against $89,062 across Minnesota.
What ZIP codes are near 55804?
The closest are 55609 (7.4 mi), 55803 (9.6 mi), 55812 (10.6 mi), 55805 (11.7 mi) and 55801 (13 mi).
Is 55804 a PO Box ZIP code?
55804 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “55804 ZIP Code — Duluth, Minnesota (St. Louis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55804
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/55804.json Underlying data is public domain or openly licensed — sources, vintages and licences.