Audrain County, Missouri
Audrain County ( aw-DRAYN) is a county located in the central part of the U.S. state of Missouri. As of the 2020 census, the population was 24,962. Its county seat is Mexico. The county was organized December 13, 1836, and named for Colonel James Hunter Audrain of the War of 1812 and who later was elected to the state legislature.