In 2020, McHenry County, IL had a population of 307k people with a median age of 40.2 and a median household income of $90,014. Between 2019 and 2020 the population of McHenry County, IL declined from 307,714 to 307,291, a −0.137% decrease and its median household income grew from $86,799 to $90,014, a 3.7% increase.
The 5 largest ethnic groups in McHenry County, IL are White (Non-Hispanic) (80.3%), White (Hispanic) (10.4%), Asian (Non-Hispanic) (2.68%), Two+ (Non-Hispanic) (2.05%), and Two+ (Hispanic) (1.49%).
None of the households in McHenry County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
96% of the residents in McHenry County, IL are U.S. citizens.
In 2020, the median property value in McHenry County, IL was $234,000, and the homeownership rate was 80.1%. Most people in McHenry County, IL drove alone to work, and the average commute time was 32 minutes. The average car ownership in McHenry County, IL was 2 cars per household.