
Greene County
- State:
- Tennessee
- County Seat:
- Greeneville
Greene County's estimated 2025 population is 75,147 with a growth rate of 1.74% in the past year according to the most recent United States census data. Greene County is the 20th largest county in Tennessee. The 2010 population was 68,834 and has seen a growth of 9.17% since that time.