Calhoun is a Census-designated place in Ouachita Parish, Louisiana, United States. It is named after Archibald Calhoun, who was an original settler and landowner. Its elevation is 177�feet, and it is located at 32�30?46?N 92�21?31?W? / ?32.51278�N 92.35861�W? / 32.51278; -92.35861. Calhoun is unincorporated and is governed by the parish through a board of commissioners known as the Police Jury. It is a census designated place and at the time of the most recent United States Census Survey, the population was 1,965.Calhoun is located in a rural area with a landscape mixture of hills and woodlands on the former transcontinental route U.S. 80 near Interstate 20, approximately 10 miles west of West Monroe.