Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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 — CITY/MN/NORTHFIELD

Northfield ZIP code, Minnesota

The ZIP code for Northfield, MN is 55057, and its area code is 507.

USPS city name
1 ZIP code
Population
20,742
Area code
507

Northfield in numbers

About 20,742 people live in Northfield, in 6,380 households. The median household income is $84,895 a year, 5% below the Minnesota median of $89,062 (US: $80,734). The median owner-occupied home is valued at $329,400 (about the same as the Minnesota median), and median gross rent is $1,103 a month. The median age is 28.2; 53.3% of adults 25 and over hold a bachelor's degree or higher (39.4% across Minnesota); the average commute takes 18 minutes.

Population20,742Northfield20,742
Households6,380Northfield6,380
Median age28.2Northfield28.2Minnesota38.8US 38.9
Median household income$84,895Northfield$84,895Minnesota$89,062US $80,734
Median home value$329,400Northfield$329,400Minnesota$329,300US $332,700
Median gross rent$1,103Northfield$1,103Minnesota$1,280US $1,413
Bachelor's degree or higher53.3%Northfield53.3%Minnesota39.4%US 35.7%
Mean commute17.7 minNorthfield17.7 minMinnesota22.7 minUS 26.4 min
Population density2,428 / sq miNorthfield2,428 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Northfield city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Northfield

ZIP codes with the USPS city name Northfield
ZIP City Type Population Median income Median home
55057 Northfield , MN Standard 25,650 $92,622 $363,600

Map of Northfield ZIP codes

55057

The ZIP codes of Northfield, MN, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Northfield

The nearest larger towns are Faribault (24,631 people, 12 mi), Farmington (23,902 people, 14 mi) and Lakeville (74,354 people, 16 mi).

Towns near Northfield
TownPopulationDistance
Elko New Market 5,002 11.2 mi
Faribault 24,631 12.0 mi
Lonsdale 4,896 12.6 mi
Farmington 23,902 14.1 mi
Cannon Falls 4,227 14.5 mi
Lakeville 74,354 15.8 mi
Apple Valley 55,679 20.1 mi
Montgomery 3,434 20.2 mi
Rosemount 27,562 20.7 mi
New Prague 8,237 20.9 mi
Burnsville 64,463 22.0 mi
Prior Lake 28,016 22.9 mi
Savage 32,889 23.0 mi
Hastings 22,117 24.6 mi

More nearby: every ZIP code in Rice County · Minnesota ZIP codes

Cite this page

zipcodes.pro. “Northfield, MN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mn/northfield

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