[8] The Corner Bar, a restaurant in service since 1897, was on 10 Main Street South downtown; it shut down on January 9, 2020, and was razed on August 14, 2020.

A complete history of the city, Faith, Family and Farming, was written by Bob Zahler.

The St. Michael–Albertville school colors are royal blue and gold and the mascot is the Knight.

There is also a private Catholic school in St. Michael for grades K–8, including preschool.

Approximately 4.0% of the city's population lives at or below the poverty line.

The top five reported ancestries (people were allowed to report up to two ancestries, thus the figures will generally add to more than 100%) were English (95.2%), Spanish (1.2%), Indo-European (0.8%), Asian and Pacific Islander (1.3%), and Other (1.5%).

As of the 2020 census, there were 18,235 people, 6,014 households, and 4,891 families residing in the city.

[16] As of the 2010 census, there were 16,399 people, 5,239 households, and 4,367 families living in the city.

12.4% of all households were made up of individuals, and 3.4% had someone living alone who was 65 years of age or older.

As of the 2000 census, there were 9,099 people, 2,926 households, and 2,437 families living in the city.

49.9% were of German, 8.7% Norwegian, 7.0% Irish, 6.9% United States or American and 5.7% Swedish ancestry.

11.3% of all households were made up of individuals, and 3.6% had someone living alone who was 65 years of age or older.