The AAU Missouri Valley District consists of all of Kansas and that portion of the western part of the state of Missouri including and bounded by Adair, Audrain, Benton, Callaway, Christian, Cole, Greene, Hickory, Macon, Moniteau, Morgan, Polk, Randolph, Schuyler, and Taney. (Territory re-aligned December 1962.)

Neighboring Districts: Iowa, Nebraska, Colorado, Oklahoma, Arkansas, and Ozark