[4] Franklin County is included in the Tri-Cities metropolitan area.

[11] As of the 2020 census, there were 96,749 people, 28,748 households, and 22,355 families residing in the county.

[12][citation needed] As of the 2010 census, there were 78,163 people, 23,245 households, and 18,163 families residing in the county.

The board consists of three commissioners; they are elected by the voters and serve four-year terms.

[17] Other elected county officials include Assessor, Auditor, Clerk, Coroner, Prosecuting Attorney, Sheriff, and Treasurer.

No Democratic presidential candidate has carried Franklin County since Lyndon B. Johnson’s 1964 landslide, and the last Democratic gubernatorial candidate it backed was Dixy Lee Ray in 1976.