The Sunflower County Library operates the Henry M. Seymour Library in Indianola, which houses its administrative headquarters. Prior to the school district merger, the Sunflower County School District had its headquarters in the Sunflower County Courthouse in Indianola. The district's educational services building is along U.S. Route 49 West in Indianola. As of 1996, 90 per cent of students in the Indianola School District were black. Most of the white students who attended Indianola public schools transferred to private schools by junior high school. The Mississippi Department of Corrections operates a probation and parole office in the Courthouse Annex in Indianola. The United States Postal Service operates the Indianola Post Office. A mural, entitled "White Gold in the Delta" by WPA Section of Painting and Sculpture artist Beulah Bettersworth, was installed in the post office in 1939. It depicted cotton harvesting scenes. Murals were produced from 1934 to 1943 in the United States through the Section of Painting and Sculpture, later called the Section of Fine Arts, of the U.S. Treasury Department. The original artist Walter Anderson was unable to complete the mural, and Bettersworth was selected. The mural was eventually destroyed. In 2008, the building was named the Minnie Cox Post Office Building by an act of Congress. Indianola Municipal Airport is located in unincorporated Sunflower County, near Indianola. is operated by the city. "The Enterprise-Tocsin" has its offices in Indianola. The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Indianola has a humid subtropical climate, abbreviated "Cfa" on climate maps.