
Sylvania
- County:
- DeKalb County
- County Seat:
- No
- Area (mi²):
- 8.516
- State:
- Alabama
Sylvania is a town located in DeKalb County, Alabama. Sylvania has a 2025 population of 1,817. Sylvania is currently growing at a rate of 0.22% annually and its population has increased by 1.11% since the most recent census, which recorded a population of 1,797 in 2020.
The average household income in Sylvania is $74,414 with a poverty rate of 10.57%. The median age in Sylvania is 34.7 years: 39.5 years for males, and 33.5 years for females.