Tennille
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 1.739
- State:
- Georgia
Tennille is a city located in Washington County, Georgia. Tennille has a 2026 population of 1,846. Tennille is currently declining at a rate of -1.07% annually but its population has increased by 20.1% since the most recent census, which recorded a population of 1,537 in 2020.
The median household income in Tennille is $29,250 with a poverty rate of 31.45%. The median age in Tennille is 34.3 years: 31.4 years for males, and 42.2 years for females. For every 100 females there are 64.3 males.