Where is McHenry County, Illinois?

location of McHenry county on a map — Location of McHenry County within the state of Illinois

McHenry County is a county equivalent area found in Illinois, USA. The county government of McHenry is found in the county seat of Woodstock.

With a total 1,582.17 sq. km of land and water area, McHenry County, Illinois is the 1706th largest county equivalent area in the United States. Home to 307,283 people, McHenry County has a total 116686 households earning 76145 on average per year.

McHenry County, Illinois - Quick Facts

FIPS Code	17111
Area Codes	815,847
Time Zone	CST
Major Cities	Crystal Lake (population: 59,550), McHenry (population: 56,699), Algonquin (population: 32,270), Woodstock (population: 32,163), Lake in the Hills (population: 28,929), Cary (population: 26,818), Huntley (population: 26,495), Harvard (population: 13,894), Marengo (population: 12,507), Wonder Lake (population: 11,227)
Land Area	118,643 sq miles
Water Area	603 sq miles
Household Income	$76,145
Housing Units	116,686
Median Home Value	$220,500
High School Grads	92% of population
Holders of Bachelors Degrees	32% of population
Retail Spending	$11,372 per capita
Food & Accomodation Sales	$365,565 per capita