McHenry is a city located in McHenry County Illinois. McHenry has a 2020 population of 46,787. McHenry is currently declining at a rate of -0.13% annually and its population has decreased by -1.90% since the most recent census, which recorded a population of 47,695 in 2010. McHenry reached it's highest population of 47,695 in 2010.
The average household income in McHenry is $94,347 with a poverty rate of 7.69%. The median rental costs in recent years comes to $1,255 per month, and the median house value is $182,700. The median age in McHenry is 41 years, 39.7 years for males, and 42.5 years for females.