Population Demographics
As of 2025 the population of Greene County is 8,883. The population is expected to shrink to 8,540 by 2030 - a growth rate of -0.78%.
The median age of Greene County residents is 44.
The diversity index of Greene County is 18.6, meaning that there is a 19% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.