Where is Lake County, Illinois?

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

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

With a total 3,544.11 sq. km of land and water area, Lake County, Illinois is the 494th largest county equivalent area in the United States. Home to 705,186 people, Lake County has a total 260550 households earning 77469 on average per year.

Lake County, Illinois offers the following attraction to visitors: Six Flags Great America

Lake County, Illinois - Quick Facts

FIPS Code	17097
Area Codes	847
Time Zone	CST
Major Cities	Waukegan (population: 98,503), Round Lake (population: 59,887), Barrington (population: 44,188), Lake Zurich (population: 41,589), Buffalo Grove (population: 41,576), Gurnee (population: 37,874), Mundelein (population: 37,118), Grayslake (population: 35,987), Lake Villa (population: 35,044), Zion (population: 31,044)
Land Area	272,274 sq miles
Water Area	444 sq miles
Household Income	$77,469
Housing Units	260,550
Median Home Value	$254,800
High School Grads	89% of population
Holders of Bachelors Degrees	42% of population
Retail Spending	$28,949 per capita
Food & Accomodation Sales	$1,299,296 per capita
Universities and Colleges	Lake Forest College