Harrison County is located in the northwest corner of Missouri and is part of the St. Joseph, MO-KS Metropolitan Statistical Area. The county seat is Bethany.

Harrison County is governed by a three-member Board of Commissioners. The county is divided into three districts, each represented by one commissioner. The commissioners are elected to four-year terms.

The county is served by the Harrison County Sheriff's Office, which is responsible for law enforcement and the Harrison County Jail. The county also has a prosecuting attorney, a public defender, and a circuit court.

Harrison County is home to several state parks, including Big Lake State Park, Crowder State Park, and Wallace State Park. The county is also home to several historic sites, including the Harrison County Courthouse, the Harrison County Jail, and the Harrison County Historical Museum.

For the most up-to-date and in-depth information, please check the public records links below.