Noble County is located in the north central part of Oklahoma. As of the 2020 census, the population was 10,924. Its county seat is Perry. It was part of the Cherokee Outlet in Indian Territory until Oklahoma Territory was created in 1890, and the present county land was designated as County P. After the U. S. government opened the area to non-Indian settlement in 1893, it was renamed Noble County for John Willock Noble, then the United States Secretary of the Interior.

Perry is a city in, and county seat of, Noble County, Oklahoma, United States. As of the 2010 census, the city population was 5,126, a 2.0 percent decrease from the figure of 5,230 in 2000. The city is home of Ditch Witch construction equipment manufacture.