Okla. Stat. tit. 19 § 215.1
There is hereby created the office of district attorney in the State of Oklahoma, which office shall be filled and in the same manner as now prevails for district judge. Filing for said office shall be accomplished by filing with the State Election Board. There shall be one district attorney for each of the district court judicial districts as they are composed and exist on March 1, 1965, with the following exceptions. Provided, however, that that part of Judicial District No. (14) which is Pawnee County shall be consolidated with Osage County to form District Attorney's District No. (10) and Judicial District No. (25) shall be consolidated with Judicial District No. (19) for the purposes of this act; and, provided further, that District Court Judicial District No. (5) be divided into two district attorney districts, one composed of Caddo, Grady, Stephens and Jefferson Counties to be denominated District Attorney's District No. (6) and the other composed of Comanche and Cotton Counties, to be denominated District Attorney's District No. (5); and, that District Court Judicial District No. (4) shall be composed of Canadian, Kingfisher, Blaine, Garfield and Grant Counties to be denominated District Attorney's District No. (4) and the other composed of Alfalfa, Major, Dewey, Woodward and Woods Counties, to be denominated District Attorney's District No. (26); that District Court Judicial District No. (15) be divided into two district attorneys' districts, one composed of Muskogee County to be denominated District Attorney's District No. (15) and the other composed of Wagoner, Cherokee, Sequoyah and Adair Counties to be denominated District Attorney's District No. (27); that Creek and Okfuskee Counties shall be denominated as District Attorney's District No. (24); Okmulgee and McIntosh Counties shall be denominated as District Attorney's District No. (25); and Pittsburg and Haskell Counties shall be denominated as District Attorney's District No. (18); and Latimer and LeFlore Counties shall be denominated as District Attorney's District No. (16); and District Attorney's District No. (7) shall consist of Oklahoma County; and, effective January 6, 2003, Kiowa, Jackson, Tillman, Harmon and Greer Counties shall be denominated as District Attorney's District No. (3); and, effective January 6, 2003, Washita, Ellis, Roger Mills, Custer and Beckham Counties shall be denominated as District Attorney's District No. (2). The State Election Board shall conduct the elections in 2002 for District No. (2) and District No. (3) in accordance with the provisions of this section.
Okla. Stat. tit. 19, § 215.1