Peotone () is a village in Will County, Illinois, United States. The population was 4,142 at the 2010 census, an increase from 3,385 in 2000. The city is about 43 miles (69 km) south of Chicago. The city is home to the Peotone High School Blue Devils.
Peotone is a name derived from the Potawatomi language meaning "come here".
Peotone is located at 41°19′46″N 87°47′42″W (41.329445, -87.795138).
According to the 2010 census, Peotone has a total area of 1.873 square miles (4.85 km2), of which 1.87 square miles (4.84 km2) (or 99.84%) is land and 0.003 square miles (0.01 km2) (or 0.16%) is water.
Main roads are Illinois Route 50, Interstate 57, Wilmington-Peotone Road, Rathje Road, and Joliet Road.
Peotone is about nine miles west of Beecher, six miles north of Manteno, six miles south of Monee and is approximately 20 miles east of Wilmington.
As of the census of 2000, there were 3,385 people, 1,268 households, and 930 families residing in the village. The population density was 2,232.4 people per square mile (859.8/km2). There were 1,299 housing units at an average density of 856.7 per square mile (330.0/km2). The racial makeup of the village was 97.93% White, 0.27% African American, 0.06% Native American, 0.47% Asian, 0.30% from other races, and 0.97% from two or more races.