Population Demographics
As of 2025 the population of Smith County is 3,563. The population is expected to shrink to 3,507 by 2030 - a growth rate of -0.32%.
The median age of Smith County residents is 53.
The diversity index of Smith County is 15.8, meaning that there is a 16% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
