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/WI/NIAGARA

Niagara ZIP code, Wisconsin

The ZIP code for Niagara, WI is 54151, and its area code is 715.

USPS city name
1 ZIP code
Population
1,464
Area code
715

Niagara in numbers

About 1,464 people live in Niagara, in 729 households. The median household income is $60,994 a year, 21% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $103,800 (61% below the Wisconsin median), and median gross rent is $910 a month. The median age is 48.6; 17.3% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 17 minutes.

Population1,464Niagara1,464
Households729Niagara729
Median age48.6Niagara48.6Wisconsin40.2US 38.9
Median household income$60,994Niagara$60,994Wisconsin$77,485US $80,734
Median home value$103,800Niagara$103,800Wisconsin$266,500US $332,700
Median gross rent$910Niagara$910Wisconsin$1,087US $1,413
Bachelor's degree or higher17.3%Niagara17.3%Wisconsin33.4%US 35.7%
Mean commute17.1 minNiagara17.1 minWisconsin22.2 minUS 26.4 min
Population density530 / sq miNiagara530 / sq mi

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

ZIP codes addressed as Niagara

ZIP codes with the USPS city name Niagara
ZIP City Type Population Median income Median home
54151 Niagara , WI Standard 3,411 $69,511 $140,100

Map of Niagara ZIP codes

The ZIP codes of Niagara, WI, 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 Niagara

The nearest larger towns are Iron Mountain, MI (7,518 people, 4.3 mi), Norway, MI (2,833 people, 4.5 mi) and Kingsford, MI (5,124 people, 5.0 mi).

Towns near Niagara
TownPopulationDistance
Iron Mountain, MI 7,518 4.3 mi
Norway, MI 2,833 4.5 mi
Kingsford, MI 5,124 5.0 mi

More nearby: every ZIP code in Marinette County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “Niagara, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/niagara

Underlying data is public domain or openly licensed — sources, vintages and licences.