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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/55120

55120

ZIP 55120 is in Saint Paul, Minnesota, in Dakota County; Central time. Saint Paul has 43 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Dakota
Population
5,058
Coordinates
44.8760, -93.1506
☼ Live from 55120 — Saint Paul, MN

Weather right now

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Local time: —

Where 55120 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 55120
  • 🔢 Type 55120 into a pocket calculator and turn it upside down: OZISS — not quite a word, sorry.
  • ➕ As a number, 55,120 = 2 × 2 × 2 × 2 × 5 × 13 × 53. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011101010000
  • 🏠 Its numerical neighbours: 55119 (Saint Paul, MN, 8 mi away) and 55121 (Saint Paul, MN, 2 mi away).
  • 🔄 Backwards, 55120 becomes 02155 — and that is a real ZIP code: Medford, MA, 1,111 miles away.
  • 👥 36 other ZIP codes are made of exactly the same digits (01255, 01525, 02155, 05152, 05251, 10552, …). The farthest-flung twin is 02155 in Medford, MA, 1,111 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther west than 64%.
  • 🎯445 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 55120 and you would come out at 44.88°S, 86.85°E — 839 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 36m of daylight. Shortest: 8h 47m.
  • 📏 At 5.4 square miles of land, 55120 is bigger than 20% of ZIP codes — room for about 4.1 Central Parks.
🌙 The sky over 55120 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,058This ZIP5,058
Households2,102This ZIP2,102
Housing units2,116This ZIP2,116
Median age41.0This ZIP41.0Minnesota38.8US 38.9
Median household income$116,346This ZIP$116,346Minnesota$89,062US $80,734
Median home value$515,600This ZIP$515,600Minnesota$329,300US $332,700
Median gross rent$1,628This ZIP$1,628Minnesota$1,280US $1,413
Bachelor's degree or higher57.6%This ZIP57.6%
Mean commute19.3 minThis ZIP19.3 min
Population density935.5 / sq miThis ZIP935.5 / sq mi

Business and tax activity

Business establishments398This ZIP398
Employees13,061This ZIP13,061
Annual payroll$1,078,191,000This ZIP$1,078,191,000
Tax returns filed2,630This ZIP2,630
Total adjusted gross income$375,225,000This ZIP$375,225,000

Land area

Land area5.41 sq miThis ZIP5.41 sq mi
Water area0.89 sq miThis ZIP0.89 sq mi

Other place names in 55120

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

ZIP codes near 55120

ZIPCityDistance
55150 Mendota, MN 0.9 mi
55121 Saint Paul, MN 2.1 mi
55111 Saint Paul, MN 2.2 mi
55116 Saint Paul, MN 2.6 mi
55118 Saint Paul, MN 2.7 mi
55450 Minneapolis, MN 3.8 mi
55425 Minneapolis, MN 4.1 mi
55102 Saint Paul, MN 4.1 mi
55105 Saint Paul, MN 4.1 mi
55417 Minneapolis, MN 4.6 mi

Find every ZIP code within 10 miles of 55120 →

Questions about this ZIP code

Where is ZIP code 55120?

55120 is in Saint Paul, Minnesota, in Dakota County, part of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan area. Its published point location is 44.8760, -93.1506.

What county is 55120 in?

55120 lies in Dakota County.

What time zone is 55120 in?

55120 uses America/Chicago.

How many people live in 55120?

About 5,058 people live in ZIP code 55120, in 2,102 households, at 935.5 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 55120?

$116,346 a year, against $89,062 across Minnesota.

What ZIP codes are near 55120?

The closest are 55150 (0.9 mi), 55121 (2.1 mi), 55111 (2.2 mi), 55116 (2.6 mi) and 55118 (2.7 mi).

Is 55120 a PO Box ZIP code?

55120 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “55120 ZIP Code — Saint Paul, Minnesota (Dakota County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55120

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