[3] The Calhoun County Airport is a county-owned public-use airport located one nautical mile (1.2 mi; 1.9 km) southwest of the central business district of Pittsboro, Mississippi.

[4] As of the 2020 United States Census, there were 13,266 people, 5,846 households, and 3,752 families residing in the county.

The racial makeup of the county was 69.41% White or Caucasian, 28.65% Black or African American, 0.13% Native American, 0.06% Asian, 0.03% Pacific Islander, 1.11% from other races, and 0.59% from two or more races.

According to the census[12] of 2000, the largest ancestry groups in Calhoun County were English 64.4%, African 29% and Scots-Irish 4.5% There were 6,019 households, out of which 31.60% had children under the age of 18 living with them, 51.00% were married couples living together, 15.40% had a female householder with no husband present, and 29.30% were non-families.

27.10% of all households were made up of individuals, and 13.90% had someone living alone who was 65 years of age or older.