McHenry County, IL

Population: 311,366 · Median Income: $102,836 · 603 sq mi

Population

311,366

Median Income

$102,836

Median Home Value

$286,900

Unemployment

4.7%

Median Age

40.4 yrs

Poverty Rate

6.1%

Median Rent

$1,358/mo

Land Area

603 sq mi

Cities

43

2024 Lean

R+5.3%

McHenry County is a county in Illinois with a population of 311,366. The median household income is $102,836. The median home value is $286,900. The unemployment rate is 4.7%. The median age is 40.4 years. There are 43 cities in McHenry County.

Explore McHenry County Data

2024 Election Results

Source: County Election Data

Winner

Republican

Dem Votes

75,370

46.6%

GOP Votes

83,933

51.9%

Total Votes

161,699

Cities in McHenry County

Source: Census Bureau
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