In 2018, McHenry County, IL had a population of 309k people with a median age of 40.9 and a median household income of $85,275. Between 2017 and 2018 the population of McHenry County, IL declined from 309,122 to 308,570, a -0.179% decrease and its median household income declined from $86,348 to $85,275, a -1.24% decrease.
The 5 largest ethnic groups in McHenry County, IL are White (Non-Hispanic) (80.5%), White (Hispanic) (11.5%), Asian (Non-Hispanic) (2.85%), Two or More Races (Non-Hispanic) (1.59%), and Black or African American (Non-Hispanic) (1.4%). N/A% of the people in McHenry County, IL speak a non-English language, and 95.8% are U.S. citizens.
The median property value in McHenry County, IL is $233,200, and the homeownership rate is 80%. Most people in McHenry County, IL commute by Drove Alone, and the average commute time is 30.9 minutes. The average car ownership in McHenry County, IL is 2 cars per household.