Pingree Grove is a village in Kane County, Illinois, United States. The population was 124 at the 2000 census. However, with rapid development in the following years, the 2010 census indicated 4,532 residents, and the 2020 census was 10,365.

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.