Population Demographics
As of 2025 the population of McMinn County is 55,689. The population is expected to grow to 57,224 by 2030 - a growth rate of 0.55%.
The median age of McMinn County residents is 44.
The diversity index of McMinn County is 31.6, meaning that there is a 32% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.