Norman /ˈnɔːrmən/ is a city in the U.S. state of Oklahoma 20 miles south of downtown Oklahoma City in its metropolitan area. The population was 110,925 at the 2010 census. Norman's estimated population of 120,284 in 2015 makes it the third-largest city in Oklahoma, and the city serves as the county seat of Cleveland County.Norman was settled during the Land Run of 1889, which opened the former Unassigned Lands of Indian Territory to American pioneer settlement. The city was named in honor of Abner Norman, the area's initial land surveyor, and was formally incorporated on May 13, 1891. Economically the city has prominent higher education and related research industries, as it is the home to the University of Oklahoma, the largest university in the state, with approximately 30,000 students enrolled. The university is well known for its sporting events by teams under the banner of the nickname "Sooners," with over 80,000 people routinely attending football games.