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is a city in Polk County, Wisconsin, United States. The population was 2,033 at the 2000 census. The city is located within the Town of St. Croix Falls.
U.S. Route 8, Wisconsin Highway 35, and Wisconsin Highway 87 are three of the main arterial routes in the city.
St. Croix Falls is located at (45.411956, -92.638916).
According to the United States Census Bureau, the city has a total area of 3.5 square miles (8.9 km²), of which, 3.3 square miles (8.7 km²) of it is land and 0.1 square miles (0.3 km²) of it (2.90%) is water.
The St. Croix River is the town's western border.