The population of Saint Croix Falls City was 7,398 when the 2010 census was conducted. Of that total, thirty percent were under the age of eighteen. Twenty-seven percent of residents were from 25 to 44, while 22.2% were 65 and older. Overall, the city was home to a mix of sexes, with 44.9% males and 55.1% females.
In the late 1800s, St. Croix Falls was a thriving river town. It incorporated in 1888 and built a village hall on the 200 block of North Adams Street. It served as a municipal building for many years and a gathering place for residents and visitors alike. There were dances, concerts, graduation exercises, and all manner of social gatherings. Today, the St. Croix Falls Village Hall is a cultural center for the entire city and is the site of many events and celebrations.
The Town of Saint Croix Falls, Wisconsin, is a county subdivision in Polk County. The T1 Census Class Code designates the city as a county subdivision. As of the 2010 census, the town has 2,133 residents. However, there are no official figures on its founding date. The city is located at an elevation of 1,020 feet above sea level. It has grown by 0.44% since the 2000 census.
The City is home to a non-profit theatre, the St. Croix Festival Theatre, which was founded in 1990. The theatre hosts a rotating repertory of plays and operas. In total, it has served more than 200,000 people. The St. Croix Falls Civic Auditorium is a cultural center, which hosts many community events. It is open to the public and has a full-time theatre.