McHenry is a medium-sized city located in the state of Illinois. With a population of 28,117 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.

A relatively large number of people in McHenry telecommute to their jobs. Overall, about 12.09% 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.

In McHenry, however, the average commute to work is quite long. On average, people spend 31.06 minutes each day getting to work, which is significantly higher than the national average.

The overall education level of McHenry is somewhat higher than in the average US city of 21.84%: 26.88% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in McHenry in 2022 was $45,241, which is wealthy relative to Illinois and the nation. This equates to an annual income of $180,964 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 16.20% 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.