Niagara, Wisconsin
| Niagara, Wisconsin | |
|---|---|
| Niagara City Hall and Library | |
| Location of Niagara in Marinette County, Wisconsin | |
| Coordinates: 45°46′42″N 88°0′14″W / 45.77833°N 88.00389°W | |
| Country | United States | 
| State | Wisconsin | 
| County | Marinette | 
| Area | |
|  • Total | 3.01 sq mi (7.80 km2) | 
| • Land | 2.76 sq mi (7.15 km2) | 
| • Water | 0.25 sq mi (0.64 km2) | 
| Population  (2020) | |
|  • Total | 1,602 | 
| • Density | 559.0/sq mi (215.83/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP codes | 54151 | 
| Area code(s) | 715 & 534 | 
| FIPS code | 55-57325 | 
| Website | Official website | 
Niagara is a city in Marinette County, Wisconsin, United States. The population was 1,602 at the 2020 census. The city lies to the north of and adjacent to the Town of Niagara. It is part of the Marinette, WI–MI Micropolitan Statistical Area.