Oklahoma County, Oklahoma Oklahoma County, Oklahoma Oklahoma County is a county located in the central part of the U.S. state of Oklahoma. As of the 2010 census, the population was 718,633, making it the most populous county in Oklahoma. The county seat is Oklahoma City, the state capital. Oklahoma County is at the heart of the Oklahoma City Metropolitan Statistical Area. Oklahoma County is one of seven counties in the United States to share the same name as the state it is located in (the other six counties are Arkansas County, Hawaii County, Idaho County, Iowa County, New York County (known commonly as
Oklahoma Secretary of State pertaining to my office, other than the compensation allowed by law; I further swear (or affirm) that I will faithfully discharge my duties as Secretary of State of Oklahoma to the best of my ability." Statewide Election (1907–1975) Gubernatorial Appointment (1975–present) Oklahoma Secretary of State The Secretary of State of the State of Oklahoma is the chief clerical officer of Oklahoma and a member of the Oklahoma Governor's Cabinet. The Secretary of State is the only appointed constitutional member of the executive branch of the Oklahoma state government. The office of Secretary of State was elective from statehood until 1975