West Dundee is a village in Kane County, Illinois, United States. The population was 7,686 as of the 2020 US Census. It is considered a far northwest Chicago suburb.

Kane County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 516,522, making it the fifth-most populous county in Illinois. Its county seat is Geneva, and its largest city is Aurora. Kane County is one of the collar counties of the metropolitan statistical area designated "Chicago–Naperville–Elgin, IL–IN–WI" by the US census.