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.
Germantown Hills is located at 40°46′17″N 89°27′43″W / 40.77139°N 89.46194°W / 40.77139; -89.46194 (40.771569, -89.461894).
According to the 2010 census, Germantown Hills has a total area of 1.677 square miles (4.34 km), of which 1.63 square miles (4.22 km) (or 97.2%) is land and 0.047 square miles (0.12 km) (or 2.8%) is water.
Illinois State Route 116, a four-lane divided highway, runs through the center of the village and connects it to Peoria, serving as the focal point for development and residences.
As of the census of 2010, there were 3,438 people (up from about 2,100 recorded in the 2000 census), 1,175 households, and 975 families residing in the village. The population density was 2055.0 people per square mile (793.0/km). There were 1,218 housing units at an average density of 728.0 per square mile (304.5/km). The racial makeup of the village was 96.0% White, 0.5% African American, 1.8% Asian, 0.3% from other races, and 1.3% representing two or more races. Hispanic or Latino of any race represented 1.8% of the population.
There were 1,175 households out of which 45.1% had children under the age of 18 living with them, 73.1% were married couples living together, 6.6% had a female householder with no husband present, and 17.0% were non-families. 14.8% of all households were made up of individuals and 3.9% had someone living alone who was 65 years of age or older. The average household size was 2.93 and the average family size was 3.26.
In the village, the population was spread out with 33.6% under the age of 20, 4.2% from 20 to 24, 26.9% from 25 to 44, 28.8% from 45 to 64, and 6.5% who were 65 years of age or older. The median age was 35.8 years. For every 100 females, there were 100.4 males. For every 100 females age 20 and over, there were 95.9 males.
According to the 2005-2009 American Community Survey, the median income for a household in the village was $99,196, and the median income for a family was $105,792. The per capita income for the village was $36,651. About 1.7% of families and 2.2% of the population were below the poverty line, including 3.6% of those under age 18 and 4.0% of those age 65 or over.