St. Charles is a larger medium-sized city located in the state of Missouri. With a population of 71,184 people and 30 associated neighborhoods, St. Charles is the ninth largest community in Missouri.

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

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

A relatively large number of people in St. Charles telecommute to their jobs. Overall, about 13.29% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

One thing noticeable about St. Charles, although not a huge city, is that it has a large population of people who are young, single, educated, and upwardly-mobile career starters. That’s because St. Charles is full of single people in their 20s and 30s and who have undergraduate or graduate degrees and are starting careers in professional occupations. This makes St. Charles a pretty good place for young, educated career starters looking to find many people like themselves, with good opportunities for friendships, socializing, romance, and fun.

St. Charles is one of the most well-educated cities in the nation. 43.97% of adults in St. Charles have at least a bachelor's degree. Compare that to the average community in America, which has just 21.84% with a bachelor's degree or higher.

The per capita income in St. Charles in 2022 was $47,196, which is wealthy relative to Missouri and the nation. This equates to an annual income of $188,784 for a family of four. However, St. Charles contains both very wealthy and poor people as well.

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

The most common language spoken in St. Charles is English. Other important languages spoken here include Spanish and Langs. of India.