Audrain County is a county located in the central part of the state of Missouri. As of the 2010 US Census, the population was
25,529. 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 whom later was elected to the state legislature.
Audrain County comprises the Mexico, MO Micropolitan Statistical Area, which is included in the Columbia-Moberly-Mexico, MO Combined
Statistical Area.
Named for James H. Audrain, Missouri legislator.
County QuickFacts: CensusBureau Quick Facts
Originally a part of St. Charles County and later of Pike County. Bounded on the north by Monroe and Ralls Counties; on the east by Pike and Montgomery; on the south by Montgomery, Callaway, and Boone; and on the west by Boone and Randolph. The boundaries were designated by an act of the state legislature on January 12, 1831, the county to be organized as soon as the population was such as to justify an organization and to be named Audrain for James H. Audrain, pioneer of St. Charles County and member of the state legislature of the Eighth District (Lincoln and St. Charles Counties) from 1830 until his death on November 10, 1831. The county was organized on December 17, 1836. (HIST. AUDRAIN, 95-6, State Laws, First Session of Sixth General Assembly, 1830-1831, 20, State Laws First Session of Ninth General Assembly, 1836- 1837, 44-45; Nesbit Livingston, William Vivion)
Source: Leech, Esther. "Place Names Of Six East Central Counties Of Missouri." M.A. thesis., University of Missouri-Columbia, 1933.
As reported by the Census Bureau, the county has a total area of 697 square miles (1,810 km2), of which 692 square miles (1,790 km2) is land and 4.6 square miles (12 km2) (0.7%) is water.
Bordering counties are as follows:
Community R-VI School District - Laddonia
Mexico School District No. 200 - Mexico
Van-Far R-I School District - Vandalia
Sunnydale Seventh-day Adventist Elementary School - Centralia (02-09) - Seventh-day Adventist
St. Brendan School - Mexico (PK-08) - Roman Catholic
St. Joseph Elementary School - Martinsburg (K-09) - Roman Catholic
Missouri Military Academy - Mexico (06-12) - Military (Boys)