Mercer is a town in Iron County, Wisconsin, home to about 1,485 people across 168 square miles. Its ZIP code is 54547, and parts of 54514 are in Mercer too.
Homes sold for a median of $296 per square foot in the three months ending August 2026, a balanced market.
Mostly Mercer; also Oma and Carey
Mostly Butternut; part is in Mercer
Each card is that ZIP code’s whole market, including any part outside Mercer. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mercer’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)175 miles away |
|---|---|
| Closer regional airport | Rhinelander Oneida County Airport (RHI)47 miles away |
| Nearest city of 250,000+ | St. Paul, MN167 miles away |
| Nearest city of 1 million+ | Chicago, IL322 miles away |
Straight-line distances from the center of Mercer; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mercer had 1,649 residents in the 2020 census, down 5% since 2000.
It’s the 611th largest of 1,889 towns in Wisconsin by population.
Iron County grew from 6,616 residents in 1900 to 6,137 in 2020.
Iron County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 78°F in summer, and winter lows average 0°F. About 32.2 inches of rain and melted snow fall in a typical year, with about 75 inches of snow.
Source: NOAA 1991–2020 climate normals, Rest Lake, WI weather station (11 miles away).
1,345 jobs at 193 businesses in Iron County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Mercer.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 1 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Museums
Counts are within about 8 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Mercer School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mercer SchoolMercer | Pre-K–12 | 92 | Public | 2.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Butternut, Agenda, Lake Town (Price County), Chippewa, Oma, Peeksville, Carey and Sherman Town (Iron County).
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.