A total of nearly 1,000 acres were listed for sale in Pettis County, Missouri, recently, representing a total value of $35 million in Pettis County land and rural real estate for sale. Pettis County ranks 54th in the Gateway State for the total number of acres of land currently advertised for sale. Among cities in Pettis County with land for sale, Sedalia had the most land for sale. Manufacturing and related services are the largest economic sectors in Pettis County. Pettis County is the 35th biggest county (686 square miles) in Missouri. It's located in the Central Missouri region of the state.