From a total population of 20,265, Sebastian has a median age of 50.6. The average age of males, in Sebastian, is 51.1 while the average age of females is 50.2. When you compare this to median age of Florida, Sebastian is 9.4 years older.
The median income of individuals, in Sebastian, is $23,284 while the average household income is $42,591. When comparing the median income of people living in Sebastian to the rest of Florida, the average income in Sebastian is $3,215 less.