
Seffner
- County:
- Hillsborough County
- County Seat:
- No
- Area (mi²):
- 3.607
- State:
- Florida
Seffner is a CDP located in Hillsborough County, Florida. Seffner has a 2025 population of 8,852. Seffner is currently growing at a rate of 0.97% annually and its population has increased by 7.48% since the most recent census, which recorded a population of 8,236 in 2020.
The average household income in Seffner is $124,506 with a poverty rate of 9.54%. The median age in Seffner is 38.7 years: 37.8 years for males, and 38.8 years for females.