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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/55112

55112

ZIP 55112 is in Saint Paul, Minnesota, in Ramsey County; Central time. Saint Paul has 43 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Ramsey
Population
45,346
Coordinates
45.0805, -93.1921
☼ Live from 55112 — Saint Paul, MN

Weather right now

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Local time: —

Where 55112 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 55112
  • 🔢 Type 55112 into a pocket calculator and turn it upside down: ZIISS — not quite a word, sorry.
  • ➕ As a number, 55,112 = 2 × 2 × 2 × 83 × 83. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011101001000
  • 🏠 Its numerical neighbours: 55111 (Saint Paul, MN, 13 mi away) and 55113 (Saint Paul, MN, 5 mi away).
  • 🔄 Backwards, 55112 becomes 21155 — and that is a real ZIP code: Upperco, MD, 917 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (11552, 12155, 12515, 12551, 15215, 15251, …). The farthest-flung twin is 11552 in West Hempstead, NY, 1,032 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther west than 64%.
  • 🎯455 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 55112 and you would come out at 45.08°S, 86.81°E — 830 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 38m of daylight. Shortest: 8h 45m.
  • 📏 At 17.5 square miles of land, 55112 is bigger than 35% of ZIP codes — room for about 13 Central Parks.
🌙 The sky over 55112 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population45,346This ZIP45,346
Households17,439This ZIP17,439
Housing units18,143This ZIP18,143
Median age37.6This ZIP37.6Minnesota38.8US 38.9
Median household income$93,838This ZIP$93,838Minnesota$89,062US $80,734
Median home value$358,500This ZIP$358,500Minnesota$329,300US $332,700
Median gross rent$1,372This ZIP$1,372Minnesota$1,280US $1,413
Bachelor's degree or higher47.4%This ZIP47.4%
Mean commute20.5 minThis ZIP20.5 min
Population density2,596.4 / sq miThis ZIP2,596.4 / sq mi

Business and tax activity

Business establishments1,142This ZIP1,142
Employees29,373This ZIP29,373
Annual payroll$2,360,729,000This ZIP$2,360,729,000
Tax returns filed22,720This ZIP22,720
Total adjusted gross income$2,124,275,000This ZIP$2,124,275,000

Land area

Land area17.47 sq miThis ZIP17.47 sq mi
Water area1.63 sq miThis ZIP1.63 sq mi

Other place names in 55112

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

ZIP codes near 55112

ZIPCityDistance
55126 Saint Paul, MN 2.5 mi
55432 Minneapolis, MN 3.2 mi
55421 Minneapolis, MN 3.5 mi
55418 Minneapolis, MN 4.8 mi
55113 Saint Paul, MN 5.1 mi
55430 Minneapolis, MN 5.4 mi
55127 Saint Paul, MN 5.6 mi
55444 Minneapolis, MN 5.7 mi
55413 Minneapolis, MN 6.2 mi
55434 Minneapolis, MN 6.4 mi

Find every ZIP code within 10 miles of 55112 →

Questions about this ZIP code

Where is ZIP code 55112?

55112 is in Saint Paul, Minnesota, in Ramsey County, part of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan area. Its published point location is 45.0805, -93.1921.

What county is 55112 in?

55112 lies in Ramsey County.

What time zone is 55112 in?

55112 uses America/Chicago.

How many people live in 55112?

About 45,346 people live in ZIP code 55112, in 17,439 households, at 2,596.4 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 55112?

$93,838 a year, against $89,062 across Minnesota.

What ZIP codes are near 55112?

The closest are 55126 (2.5 mi), 55432 (3.2 mi), 55421 (3.5 mi), 55418 (4.8 mi) and 55113 (5.1 mi).

Is 55112 a PO Box ZIP code?

55112 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “55112 ZIP Code — Saint Paul, Minnesota (Ramsey County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55112

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