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.

Telecommuters are a relatively large percentage of the workforce: 12.09% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

One downside of living in McHenry, however, is that residents on average have to contend with a long commute, spending on average 31.06 minutes every day commuting to work.

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.