Oklahoma City is the most populous city in the state of Oklahoma and the 29th largest city in the United States. From 1980 to 1990, Oklahoma City grew by more than 10 percent. Between 1990 and 2000, both Oklahoma City and the Oklahoma City MSA grew by more than 13 percent. According to Census 2000, Oklahoma City's population was 506,132 while the Oklahoma City MSA population was 1,083,346. Oklahoma City MSA is the 47th largest metropolitan area in the United States. The Oklahoma City MSA now includes seven counties: Oklahoma, Canadian, Cleveland, Grady, Lincoln, Logan, and McClain and has an estimated population of 1,308,537.


Other communities within the MSA include: