Population Demographics
As of 2026 the population of Thomas County is 7,796. The population is expected to shrink to 7,715 by 2031 - a growth rate of -0.21%.
The median age of Thomas County residents is 37.
The diversity index of Thomas County is 33.6, meaning that there is a 34% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
