Porterfield is a town in Marinette County, Wisconsin, home to about 1,798 people across 52 square miles. Its ZIP code is 54159, and parts of 54143 are in Porterfield too.
Homes sold for a median of $177 per square foot in the three months ending August 2026, a seller’s market.
Mostly Porterfield; also Lake Town (Marinette County) and Wagner
Mostly Marinette; part is in Porterfield
Each card is that ZIP code’s whole market, including any part outside Porterfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | General Mitchell International Airport (MKE)152 miles away |
|---|---|
| Closer regional airport | Austin Straubel International Airport (GRB)49 miles away |
| Nearest city of 250,000+ | Milwaukee, WI144 miles away |
| Nearest city of 1 million+ | Chicago, IL228 miles away |
Straight-line distances from the center of Porterfield; 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.
Porterfield had 1,888 residents in the 2020 census, down 5% since 2000.
It’s the 492nd largest of 1,889 towns in Wisconsin by population.
Marinette County grew from 30,822 residents in 1900 to 41,872 in 2020.
Marinette County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 10°F. About 33.2 inches of rain and melted snow fall in a typical year, with about 44 inches of snow.
Source: NOAA 1991–2020 climate normals, Marinette, WI weather station (6 miles away).
14,834 jobs at 1,054 businesses in Marinette County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Porterfield.
Nearest hospitals
Providers with an office here
| Primary care doctors | 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 (4 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 5 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.
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Shares ZIP codes with Marinette, Peshtigo Town, Lake Town (Marinette County) and Wagner.
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.