Population Demographics
As of 2025 the population of Vernon County is 19,701. The population is expected to shrink to 19,466 by 2030 - a growth rate of -0.24%.
The median age of Vernon County residents is 40.
The diversity index of Vernon County is 22.0, meaning that there is a 22% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.