Germantown Hills is a village in Woodford County, Illinois, approximately 8 miles (13 km) northeast of Peoria. Germantown Hills is the only incorporated community in Worth Township. As of the 2010 census, the village had a total population of 3,438. Largely an agricultural community until its incorporation in 1954, Germantown Hills is now a growing bedroom community in the Peoria Metropolitan Area.

The Peoria Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of six counties in Central Illinois, anchored by the city of Peoria. As of the 2020 census, the area had a population of 402,391. The City of Peoria, according to the 2020 US Census Bureau, has 113,150 people.