Morris is a city in and the county seat of Grundy County, Illinois, United States and part of the southwest Chicago metropolitan area. The population was estimated at 15,053 in 2019.
Morris is the Grundy County seat and has a large hospital and modern schools. It is home to the Morris Community High School Redskins, who have won three state championships in football. There are many small parks, ball diamonds, tennis courts, two golf courses, an outdoor swimming pool, an indoor olympic-sized pool as well as the Gebhard Woods State Park and the William G. Stratton State Park for boat launching on the Illinois River and a skatepark located near White Oak elementary school. Morris Community High School is known to be located on an abandoned mining network that stems for approximately five miles (8 kilometres). Morris is home to the Grundy County Speedway, and the city also hosts the annual Grundy County Fair and Grundy County Corn Festival.
Morris is located in northeast Grundy County along U.S. Route 6 and Illinois Route 47 and on the north side of the Illinois River at an elevation of 515 feet (157 m).
According to the 2010 census, Morris has a total area of 9.804 square miles (25.39 km2), of which 9.44 square miles (24.45 km2) (or 96.29%) is land and 0.364 square miles (0.94 km2) (or 3.71%) is water.
The annual precipitation for Morris is about 40 inches. The record high for Morris is 109 °F (43 °C) on July 14, 1936. The record low for Morris is -26 °F (−32 °C) in December 1924. The average high temperature for Morris in July is 84.5 °F (43 °C), while the average January low is 15.4 °F (-9.2 °C).