Calhoun is a village in Richland County, Illinois, United States.

Reverend Ruark was an early Methodist who performed the first wedding in Richland County on October 20, 1841, when Ebeneezer Waker and Abigail Reed were united.

The high school used two classrooms in the basement in addition to the upper floor.

[4] Calhoun lies just east of Illinois State Route 130, southeast of Olney.

According to the 2010 census, Calhoun has a total area of 1.06 square miles (2.75 km2), all land.

The racial makeup of the village was 94.14% White, 1.35% Native American, 3.60% Asian, and 0.90% from two or more races.