Peotone is a village in Will County, Illinois, United States. The population was 3,385 at the 2000 census. The city is about 43 miles (69 km) south of Chicago. The city is home to the Peotone High School Blue Devils.
Peotone is located at 41°19′46″N 87°47′42″W / 41.32944°N 87.795°W / 41.32944; -87.795 (41.329445, -87.795138).
According to the United States Census Bureau, the village has a total area of 1.5 square miles (3.9 km²) all of it is land.