St. Charles is a medium-sized city located in the state of Illinois. With a population of 32,750 people and 11 associated neighborhoods, St. Charles is the 57th largest community in Illinois. St. Charles real estate is some of the most expensive in Illinois, although St. Charles house values don't compare to the most expensive real estate in the U.S.St. Charles is a decidedly white-collar city, with fully 85.53% of the workforce employed in white-collar jobs, well above the national average. Overall, St. Charles is a city of professionals, sales and office workers, and managers. There are especially a lot of people living in St. Charles who work in management occupations (14.13%), sales jobs (11.43%), and office and administrative support (11.12%). 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. One interesting thing about the economy is that relatively large numbers of people worked from their home: 12.80% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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. Do you have a 4-year college degree or graduate degree? If so, you may feel right at home in St. Charles. 52.03% of adults here have a 4-year degree or graduate degree, whereas the national average for all cities and towns is just 21.84%. The per capita income in St. Charles in 2022 was $59,060, which is wealthy relative to Illinois and the nation. This equates to an annual income of $236,240 for a family of four. 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 Asian. Important ancestries of people in St. Charles include German, Irish, Italian, English, and Polish. The most common language spoken in St. Charles is English. Other important languages spoken here include Spanish and Langs. of India.