St. Peters is a larger medium-sized city located in the state of Missouri. With a population of 57,178 people and 16 constituent neighborhoods, St. Peters is the tenth largest community in Missouri.

St. Peters real estate is some of the most expensive in Missouri, although St. Peters house values don't compare to the most expensive real estate in the U.S.

Unlike some cities where white-collar or blue-collar occupations dominate the local economy, St. Peters is neither predominantly one nor the other. Instead, it has a mixed workforce of both white- and blue-collar jobs. Overall, St. Peters is a city of professionals, sales and office workers, and managers. There are especially a lot of people living in St. Peters who work in office and administrative support (15.41%), management occupations (12.10%), and sales jobs (10.45%).

Also of interest is that St. Peters has more people living here who work in computers and math than 95% of the places in the US.

The education level of St. Peters citizens is very high relative to the national average among all cities (21.84%): 37.27% of adults in St. Peters have a bachelor's degree or even advanced degree.

The per capita income in St. Peters in 2010 was $35,198, which is wealthy relative to Missouri and the nation. This equates to an annual income of $140,792 for a family of four.

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

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