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.

Another interesting thing about St. Charles, despite not being a huge city, is that there is a relatively high proportion of people living here who are young, single, and upwardly-mobile professionals. This makes it a good choice for other relocating single professionals. Here, these young singles will find many others like themselves, with opportunities for friendships, socializing, romance, and fun.

The education level of St. Charles ranks among the highest in the nation. Of the 25-and-older adult population in St. Charles, 43.97% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

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.