Buchanan 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 St. Joseph.

Buchanan County is governed by a three-member County Commission, which is elected in staggered four-year terms. The County Commission is responsible for setting the budget, levying taxes, and making policy decisions. The County Commission is also responsible for appointing the County Administrator, who is responsible for overseeing the day-to-day operations of the county.

The county is also served by a Prosecuting Attorney, Sheriff, Assessor, Collector, Recorder of Deeds, and Public Administrator.

The county is divided into seven townships, which are further divided into twenty-four precincts. The county is also served by a number of special districts, including the St. Joseph Fire Protection District, the St. Joseph Metropolitan Sewer District, and the St. Joseph Metropolitan Transit Authority.

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