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/MERCER

Mercer ZIP code, Wisconsin

The ZIP code for Mercer, WI is 54547, and its area code is 715.

USPS city name
1 ZIP code
Population
365
Area code
715

Mercer in numbers

About 365 people live in Mercer, in 241 households. The median household income is $37,917 a year, 51% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $212,500 (20% below the Wisconsin median), and median gross rent is $334 a month. The median age is 61.7; 17.2% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 19 minutes.

Population365Mercer365
Households241Mercer241
Median age61.7Mercer61.7Wisconsin40.2US 38.9
Median household income$37,917Mercer$37,917Wisconsin$77,485US $80,734
Median home value$212,500Mercer$212,500Wisconsin$266,500US $332,700
Median gross rent$334Mercer$334Wisconsin$1,087US $1,413
Bachelor's degree or higher17.2%Mercer17.2%Wisconsin33.4%US 35.7%
Mean commute18.6 minMercer18.6 minWisconsin22.2 minUS 26.4 min
Population density82 / sq miMercer82 / sq mi

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

ZIP codes addressed as Mercer

ZIP codes with the USPS city name Mercer
ZIP City Type Population Median income Median home
54547 Mercer , WI Standard 1,549 $63,500 $306,600

Map of Mercer ZIP codes

54547

The ZIP codes of Mercer, 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 Mercer

The nearest larger towns are Lac du Flambeau (1,503 people, 15 mi), Ironwood, MI (4,997 people, 21 mi) and Montreal (909 people, 21 mi).

Towns near Mercer
TownPopulationDistance
Ironwood, MI 4,997 20.8 mi

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

Cite this page

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

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