Germantown Hills is a community located in the U.S. state of Illinois. It is within and the only incorporated village of Woodford County, 8 miles northeast of Peoria. It has a total area of 1.60 square miles at 40°46′17″N 89°27′43″W. The elevation is 803 feet above sea level. As of the 2010 census data, it had a total population of 3,438. The population density was 2,233.67/sq mi. Germantown Hills has Zip code 61548.