Hickory County is located in the U.S. state of Missouri. As of the 2020 census, the population was 8,279. Its county seat is Hermitage. The county was organized February 14, 1845, and named after President Andrew Jackson, whose nickname was "Old Hickory." The Pomme de Terre Dam, a Corps of Engineers facility, is located three miles south of Hermitage and forms Lake Pomme de Terre by damming the Pomme de Terre River and Lindley Creek. Truman Reservoir, also a Corps of Engineers facility, floods the Pomme de Terre Reservoir from the northern border of the county southward to the city limits of Hermitage.

The Missouri House of Representatives is the lower chamber of the Missouri General Assembly. It has 163 members, representing districts with an average size of 37,000 residents. House members are elected for two-year terms during general elections held in even-numbered years.