Franzen is a town in Marathon County, Wisconsin, home to about 514 people across 36 square miles. It has no ZIP code of its own: it’s part of 54427 and 54499.
Homes sold for a median of $155 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Elderon Town; part is in Franzen
Mostly Wittenberg Village; part is in Franzen
Each card is that ZIP code’s whole market, including any part outside Franzen. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Franzen’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | General Mitchell International Airport (MKE)144 miles away |
|---|---|
| Closer regional airport | Central Wisconsin Airport (CWA)24 miles away |
| Nearest city of 250,000+ | Madison, WI121 miles away |
| Nearest city of 1 million+ | Chicago, IL219 miles away |
Straight-line distances from the center of Franzen; 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.
Franzen had 553 residents in the 2020 census, up 10% since 2000.
It’s the 1456th largest of 1,889 towns in Wisconsin by population.
Marathon County grew from 43,256 residents in 1900 to 138,013 in 2020.
Marathon County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 7°F. About 34 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Rosholt 9 Nne, WI weather station (6 miles away).
65,770 jobs at 3,436 businesses in Marathon County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
18 doctors and other health care providers list an office in Franzen’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 5 |
| Physical and occupational therapists | 6 |
| Chiropractors | 1 |
| Pharmacies | 3 |
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 (2 nearby)
Grocery stores (2 nearby)
Museums (1 nearby)
Counts are within about 4 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 Wittenberg-Birnamwood School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Wittenberg ElementaryWittenberg | Pre-K–8 | 449 | Public | 0.2 mi |
| Wittenberg-Birnamwood HighWittenberg | 9–12 | 343 | Public | 0.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Visions Junior Senior High SchoolWittenberg | 6–11 | 22 | Nonsectarian | 1.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Wittenberg Village, Wittenberg Town, Elderon Town, Almon, Birnamwood Town, Eland, Morris, Germania, Norrie and Elderon Village.
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.