Niagara City is a city in Marinette County, Wisconsin, home to about 1,464 people across 2.8 square miles. Its ZIP code is 54151.
Homes sold for a median of $129 per square foot in the three months ending August 2026, a seller’s market.
Mostly Niagara City; also Niagara Town and Aurora Town (Florence County)
Each card is that ZIP code’s whole market, including any part outside Niagara City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Niagara City’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)195 miles away |
|---|---|
| Closer regional airport | Ford Airport (IMT)5 miles away |
| Nearest city of 250,000+ | Milwaukee, WI187 miles away |
| Nearest city of 1 million+ | Chicago, IL272 miles away |
Straight-line distances from the center of Niagara City; 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.
Niagara City had 1,602 residents in the 2020 census, down 15% since 2000.
It’s the 620th 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 4°F. About 31.7 inches of rain and melted snow fall in a typical year, with about 61 inches of snow.
Source: NOAA 1991–2020 climate normals, Iron Mtn-Kingsford Wwtp, MI weather station (3 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).
13 doctors and other health care providers list an office in Niagara City.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 5 |
| Chiropractors | 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.
Grocery stores
Pharmacies
Libraries
Museums
Counts are within about 1.5 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.
Public schools here are run by Niagara School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Niagara ElementaryNiagara | Pre-K–6 | 271 | Public | 1.9 mi |
| Niagara HighNiagara | 7–12 | 184 | Public | 1.9 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 Niagara Town, Aurora Town (Florence County), Pembine and Dunbar.
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.