McHenry is a medium-sized city located in the state of Illinois. With a population of 28,251 people and ten associated neighborhoods, McHenry is the 80th largest community in Illinois.

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

Also of interest is that McHenry 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: 12.40% 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.

In terms of college education, McHenry is somewhat better educated than the 21.84% who have a 4-year degree or higher in the typical US community: 25.48% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in McHenry in 2022 was $47,096, which is wealthy relative to Illinois and the nation. This equates to an annual income of $188,384 for a family of four. However, McHenry contains both very wealthy and poor people as well.

McHenry is a very ethnically-diverse city. The people who call McHenry home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of McHenry residents report their race to be White, followed by Asian. McHenry also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 17.06% of the city’s residents. Important ancestries of people in McHenry include German, Irish, Polish, Italian, and English.

The most common language spoken in McHenry is English. Other important languages spoken here include Spanish and German/Yiddish.