O'Fallon is a medium-sized city located in the state of Illinois. With a population of 31,968 people and seven associated neighborhoods, O'Fallon is the 59th largest community in Illinois. O'Fallon real estate is some of the most expensive in Illinois, although O'Fallon house values don't compare to the most expensive real estate in the U.S.O'Fallon is a decidedly white-collar city, with fully 85.14% of the workforce employed in white-collar jobs, well above the national average. Overall, O'Fallon is a city of professionals, managers, and sales and office workers. There are especially a lot of people living in O'Fallon who work in management occupations (16.66%), office and administrative support (10.52%), and computer science and math (8.81%). Also of interest is that O'Fallon 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 O'Fallon telecommute to their jobs. Overall, about 16.68% 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. If knowledge is power, O'Fallon is a pretty powerful place. 51.25% of the adults in O'Fallon have earned a 4-year college degree, masters degree, MD, law degree, or even PhD. Compare that to the national average of 21.84% for all cities and towns. The per capita income in O'Fallon in 2022 was $51,826, which is wealthy relative to Illinois and the nation. This equates to an annual income of $207,304 for a family of four. O'Fallon is a very ethnically-diverse city. The people who call O'Fallon home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of O'Fallon residents report their race to be White, followed by Black or African-American. Important ancestries of people in O'Fallon include German, English, Irish, Polish, and Italian. The most common language spoken in O'Fallon is English. Other important languages spoken here include Spanish and Arabic.
