Lake Zurich is a village in Lake County, Illinois, United States. The population was 18,104 at the 2000 census. A 2003 special census put the village's population at 19,005. The village is located by a lake also called Lake Zurich. In 2006, Lake Zurich was named by Frommer's as one of the top hundred "Best Places to Raise Your Family" and by U.S. News as one of the "Top Twenty-five Affordable Places to Live in the Country".

As of the census of 2000, there were 18,104 people, 5,746 households, and 4,866 families residing in the village. The population density was 2,792.3 people per square mile. There were 5,828 housing units at an average density of 898.9/sq mile. The racial makeup of the village was 92.31% White, 0.81% African American, 0.17% Native American, 3.82% Asian, 0.01% Pacific Islander, 1.97% from other races, and 0.92% from two or more races. Hispanic or Latino of any race were 5.55% of the population.

According to a 2007 estimate, the median income for a household in the village was $101,872, and the median income for a family was $108,108.[3] Males had a median income of $63,909 versus $43,047 for females. The per capita income for the village was $30,287. About 2.0% of families and 2.5% of the population were below the poverty line, including 2.9% of those under age 18 and 5.9% of those age 65 or over.