Population Demographics
As of 2025 the population of Calhoun County is 10,052. The population is expected to shrink to 9,873 by 2030 - a growth rate of -0.36%.
The median age of Calhoun County residents is 44.
The diversity index of Calhoun County is 18.2, meaning that there is a 18% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.