St. Louis is a somewhat small city located in the state of Michigan. With a population of 6,810 people and two associated neighborhoods, St. Louis is the 157th largest community in Michigan.

Compared to the rest of the country, citizens of St. Louis spend much less time in their cars: on average, their commute to work is only 19.09 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

The citizens of St. Louis have a very low rate of college education: just 9.12% of people over 25 have a bachelor's degree or advanced degree, compared to a national average of 21.84% for all cities.

The per capita income in St. Louis in 2022 was $12,451, which is low income relative to Michigan and the nation. This equates to an annual income of $49,804 for a family of four. However, St. Louis contains both very wealthy and poor people as well.

St. Louis is an extremely ethnically-diverse city. The people who call St. Louis home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of St. Louis residents report their race to be White, followed by Black or African-American. Important ancestries of people in St. Louis include German, English, Irish, African, and Polish.

The most common language spoken in St. Louis is English. Other important languages spoken here include Spanish and Italian.