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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/55421

55421

ZIP 55421 is in Minneapolis, Minnesota, mostly in Anoka County; Central time. Minneapolis has 69 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Anoka +2 more
Population
30,843
Coordinates
45.0506, -93.2499
☼ Live from 55421 — Minneapolis, MN

Weather right now

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NEXRAD radar
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Local time: —

Where 55421 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 55421
  • 🔢 Type 55421 into a pocket calculator and turn it upside down: IZhSS — not quite a word, sorry.
  • ➕ As a number, 55,421 = 157 × 353. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101100001111101
  • 🏠 Its numerical neighbours: 55420 (Minneapolis, MN, 15 mi away) and 55422 (Minneapolis, MN, 5 mi away).
  • 🔄 Backwards, 55421 becomes 12455 — and that is a real ZIP code: Margaretville, NY, 949 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (12455, 12545, 14525, 15254, 15425, 15542, …). The farthest-flung twin is 12545 in Millbrook, NY, 1,005 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther west than 64%.
  • 🎯451 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 55421 and you would come out at 45.05°S, 86.75°E — 829 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 37m of daylight. Shortest: 8h 45m.
  • 📏 At 6.3 square miles of land, 55421 is bigger than 21% of ZIP codes — room for about 4.8 Central Parks.
🌙 The sky over 55421 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population30,843This ZIP30,843
Households12,726This ZIP12,726
Housing units13,450This ZIP13,450
Median age37.4This ZIP37.4Minnesota38.8US 38.9
Median household income$70,772This ZIP$70,772Minnesota$89,062US $80,734
Median home value$277,300This ZIP$277,300Minnesota$329,300US $332,700
Median gross rent$1,279This ZIP$1,279Minnesota$1,280US $1,413
Bachelor's degree or higher33.5%This ZIP33.5%
Mean commute22.8 minThis ZIP22.8 min
Population density4,917.6 / sq miThis ZIP4,917.6 / sq mi

Business and tax activity

Business establishments656This ZIP656
Employees12,441This ZIP12,441
Annual payroll$677,274,000This ZIP$677,274,000
Tax returns filed15,400This ZIP15,400
Total adjusted gross income$887,008,000This ZIP$887,008,000

Land area

Land area6.27 sq miThis ZIP6.27 sq mi
Water area0.42 sq miThis ZIP0.42 sq mi

Counties 55421 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Anoka County 92.4%
Ramsey County 7.1%
Hennepin County 0.4%

Other place names in 55421

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

ZIP codes near 55421

ZIPCityDistance
55418 Minneapolis, MN 2.1 mi
55430 Minneapolis, MN 2.6 mi
55412 Minneapolis, MN 3.1 mi
55432 Minneapolis, MN 3.2 mi
55112 Saint Paul, MN 3.5 mi
55413 Minneapolis, MN 3.7 mi
55411 Minneapolis, MN 4.2 mi
55429 Minneapolis, MN 4.5 mi
55467 Minneapolis, MN 4.6 mi
55401 Minneapolis, MN 4.6 mi

Find every ZIP code within 10 miles of 55421 →

Questions about this ZIP code

Where is ZIP code 55421?

55421 is in Minneapolis, Minnesota, in Anoka County, part of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan area. Its published point location is 45.0506, -93.2499.

What county is 55421 in?

55421 spans 3 counties: Anoka County, Ramsey County and Hennepin County. Most of it falls in Anoka 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 time zone is 55421 in?

55421 uses America/Chicago.

How many people live in 55421?

About 30,843 people live in ZIP code 55421, in 12,726 households, at 4,917.6 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 55421?

$70,772 a year, against $89,062 across Minnesota.

What ZIP codes are near 55421?

The closest are 55418 (2.1 mi), 55430 (2.6 mi), 55412 (3.1 mi), 55432 (3.2 mi) and 55112 (3.5 mi).

Is 55421 a PO Box ZIP code?

55421 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “55421 ZIP Code — Minneapolis, Minnesota (Anoka County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55421

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/55421.json

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